Image credits · ⁨إسناد صور⁩

Diagrams in our handouts are drawn by us and need no credit. The images below are reused from the web under licences that permit it — each is listed with its author, licence and source. · ⁨الرسوم التوضيحية في وثائقنا معروضة من قبلنا ولا تحتاج إلى إسناد. الصور أدناه مستعارة من الويب تحت تراخيص تسمح بذلك — كل واحدة منها مدرجة مع مؤلفها وتراخيصها ومصدرها.⁩

← Know · ⁨اعرف⁩

A-Level Biology · ⁨A-Level علم الأحياء⁩

01 · Cell structure

Animal cell structure

Mariana Ruiz (LadyofHats) · Public domain · Source · ⁨المصدر⁩
Plant cell structure

Mariana Ruiz (LadyofHats) · Public domain · Source · ⁨المصدر⁩
Average prokaryote cell

Mariana Ruiz (LadyofHats) · Public domain · Source · ⁨المصدر⁩
Enterobacteria phage T2 transmission electron micrograph

SnaxMikn · CC BY-SA 4.0 · Source · ⁨المصدر⁩

02 · Biological molecules

Benedict's test for Sugars

Thebiologyprimer · CC0 · Source · ⁨المصدر⁩
Kartoffel-Stärkekörner

Quant8 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
1GZX Haemoglobin

Zephyris at English Wikipedia · CC BY-SA 3.0 · Source · ⁨المصدر⁩

03 · Enzymes

Plastic spoon n Laundry detergent n Washing powder in white

Lebacno · CC BY-SA 3.0 · Source · ⁨المصدر⁩
yeast

David Blaikie · CC BY 2.0 · Source · ⁨المصدر⁩

04 · Cell membranes and transport

SEM blood cells

Bruce Wetzel (photographer). Harry Schaefer (photographer) · Public domain · Source · ⁨المصدر⁩
Demonstration of osmosis using a potato osmometer

Knowledge genome · CC BY-SA 4.0 · Source · ⁨المصدر⁩

05 · The mitotic cell cycle

Onion skin mitosis (20x)

UAF Center for Distance Education · CC BY 2.0 · Source · ⁨المصدر⁩
Mitosis in Onion Root various stages (Metaphase)

Natalierussell77 · CC BY-SA 4.0 · Source · ⁨المصدر⁩

06 · Nucleic acids and protein synthesis

Space-filling model of the DNA double helix

Ude · Public domain · Source · ⁨المصدر⁩
DNA Extraction

Joo Nath · CC BY-SA 4.0 · Source · ⁨المصدر⁩
DNA Double Helix by NHGRI

National Human Genome Research Institute · Public domain · Source · ⁨المصدر⁩

07 · Transport in plants

Vascular bundle in a young sunflower stem

Berkshire Community College Bioscience Image Library · CC0 · Source · ⁨المصدر⁩
Growth Rings tree rings 01

Vijayanrajapuram · CC BY-SA 4.0 · Source · ⁨المصدر⁩

08 · Transport in mammals

Diagram of the human heart

Wapcaplet (Eric Pierce) · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Human blood smear

Keith Chambers · CC BY-SA 3.0 · Source · ⁨المصدر⁩

09 · Gas exchange

Normal lung tissue

Yale Rosen from USA · CC BY-SA 2.0 · Source · ⁨المصدر⁩
Human Lungs (NIH BioArt 231 - 630892)

Courtesy of NIAID Ryan Kissinger · Public domain · Source · ⁨المصدر⁩

10 · Infectious diseases

Acid-fast bacilli of Mycobacterium tuberculosis

Ajay Kumar Chaurasiya · CC0 1.0 · Source · ⁨المصدر⁩
Plasmodium falciparum parasite in blood

MichaelZahniser · Public domain · Source · ⁨المصدر⁩
Antibiotic sensitivity test

Dr Graham Beards · CC BY-SA 4.0 · Source · ⁨المصدر⁩

11 · Immunity

A neutrophil engulfing bacteria

Volker Brinkmann (NIAID) · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Normal Adult Blood Smear

Keith Chambers · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Urine Pregnancy Test -Positive

Ajay Kumar Chaurasiya · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Antibiotic sensitivity test

Dr Graham Beards · CC BY-SA 4.0 · Source · ⁨المصدر⁩

12 · Energy and respiration

800metresOlympicTrials2020

jenaragon94 · CC BY 2.0 · Source · ⁨المصدر⁩
Mitochondria, mammalian lung - TEM

Louisa Howard · Public domain · Source · ⁨المصدر⁩
Monocot Root Aerenchyma in Acorus (35399382813)

Berkshire Community College Bioscience Image Library · CC0 · Source · ⁨المصدر⁩

13 · Photosynthesis

Green leaves (7914624332)

Moyan Brenn from Italy · CC BY 2.0 · Source · ⁨المصدر⁩
Cloroplasti Elodea

Cimice50 · CC BY-SA 4.0 · Source · ⁨المصدر⁩

14 · Homeostasis

(20250417) Blood glucose meter 04

Roy Zuo · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Sweating for stunning scenery 130719-Z-NO327-280

Spc. Tyler Meister · Public domain · Source · ⁨المصدر⁩

15 · Control and coordination

Stained neurones under the microscope

Tulemo · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Computed tomography of human brain - large

Department of Radiology, Uppsala University Hospital. Uploaded by Mikael Häggström · CC0 · Source · ⁨المصدر⁩
Venus Flytrap showing trigger hairs

Noah Elhardt · CC BY-SA 2.5 · Source · ⁨المصدر⁩
Human skeletal muscle tissue 1 - TEM

Louisa Howard · Public domain · Source · ⁨المصدر⁩

16 · Inheritance

Human karyotype

National Cancer Institute · Public domain · Source · ⁨المصدر⁩
Human Egg (2722043681)

Ed Uthman from Houston, TX, USA · CC BY 2.0 · Source · ⁨المصدر⁩

17 · Selection and evolution

Hardy-Weinberg formula card

eXercise project · CC0 · Source · ⁨المصدر⁩
Peppered moth forms

Martinowksy at Dutch Wikipedia (Original text: Maarten Sanne) · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Cepaea nemoralis pair banded shells

· CC BY-SA 2.0 · Source · ⁨المصدر⁩

18 · Classification, biodiversity and conservation

A coral reef on the Great Barrier Reef

Toby Hudson · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Aerial image of Grand Prismatic Spring (view from the south)

Carsten Steger · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Insect drawer Natural History Museum Rose Stainthorp 2010 (35900683461)

Natural History Museum: Coleoptera Section from South Kensingon, London, UK · CC BY 2.0 · Source · ⁨المصدر⁩

19 · Genetic technology

Agarose gel under UV

YTEDG72.k · CC BY 4.0 · Source · ⁨المصدر⁩
Thermal cycler for PCR

Juan Carlos Fonseca Mata · CC BY-SA 4.0 · Source · ⁨المصدر⁩
CSIRO ScienceImage 381 Genetically Modified Cotton vs Normal Cotton

Plant Industry, CSIRO · CC BY 3.0 · Source · ⁨المصدر⁩

vocab · Vocabulary trainer images

File:Heart numlabels.svg

Wapcaplet · CC BY-SA 3.0 · Source · ⁨المصدر⁩
File:ArteryVeinCS.jpg

FishtailBob · CC BY-SA 4.0 · Source · ⁨المصدر⁩
File:PBB Protein ATP synthase image.jpg

www.pdb.org · Public domain · Source · ⁨المصدر⁩
File:Heart numlabels.svg

Wapcaplet · CC BY-SA 3.0 · Source · ⁨المصدر⁩
File:E coli at 10000x, original.jpg

Photo by Eric Erbe, digital colorization by Christopher Pooley, both of USDA, ARS, EMU · Public domain · Source · ⁨المصدر⁩
File:Tramlines in a barley crop - geograph.org.uk - 1306062.jpg

Evelyn Simak · CC BY-SA 2.0 · Source · ⁨المصدر⁩
File:Nephron simple numbers.svg

Jmarchn · CC BY-SA 3.0 · Source · ⁨المصدر⁩
File:Respiratory system complete en.svg

LadyofHats, Jmarchn · Public domain · Source · ⁨المصدر⁩
File:Pathology of the lung (cancer).jpg

Unknown photographer · Public domain · Source · ⁨المصدر⁩
File:Blood vessels-en.svg

Kelvinsong · CC BY-SA 3.0 · Source · ⁨المصدر⁩
File:The structure of the immature HIV-1 capsid in intact virus particles.png

MarinaVladivostok · CC0 · Source · ⁨المصدر⁩
File:Histology of articular cartilage zones.jpg

Catherine A. Bautista, Hee Jun Park, Courtney M. Mazur, Roy K. Aaron, Bahar Bilgen · CC0 · Source · ⁨المصدر⁩
File:Chromosome Terminology.png

Christinelmiller · CC BY-SA 4.0 · Source · ⁨المصدر⁩
File:Chlorophyll a.svg

David Richfield · Public domain · Source · ⁨المصدر⁩
File:Paper chromatography in progress.jpg

Amitchell125 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
File:Collagen (triple helix protein).jpg

Eric Hahn · CC BY-SA 4.0 · Source · ⁨المصدر⁩
File:Phloem Cells.jpg

Chippolito · CC BY-SA 3.0 · Source · ⁨المصدر⁩
File:Cotton boll maturing on Bobby Byrd's cotton plant in Hale County near Plainview, Texas. (24490395753).jpg

USDA NRCS Texas · Public domain · Source · ⁨المصدر⁩
File:DNA double helix horizontal.png

Jerome Walker · Public domain · Source · ⁨المصدر⁩
File:Kidney Glomerulus Cell Types.png

Artwork by Holly Fischer · CC BY 3.0 · Source · ⁨المصدر⁩
File:Glycogen structure.jpg

Mikael Häggström · CC0 · Source · ⁨المصدر⁩
File:Psuedostratified epithelium animated.gif

Laird Sheldahl · CC BY-SA 4.0 · Source · ⁨المصدر⁩
File:Endomembrane system diagram en.svg

Mariana Ruiz LadyofHats · Public domain · Source · ⁨المصدر⁩
File:Xenopus laevis nucleosome, Histone H3.3C (2) 1AOI.png

Luger K, Mäder AW, Richmond RK, Sargent DF, Richmond TJ · CC0 · Source · ⁨المصدر⁩
File:SEM Lymphocyte.jpg

Unknown photographer/artist (False color modifications made by myself--DO11.10) · Public domain · Source · ⁨المصدر⁩
File:Animal cell structure en.svg

LadyofHats (Mariana Ruiz) · Public domain · Source · ⁨المصدر⁩
File:Giemsa Stain Macrophage Illustration.png

Noah Smith · CC BY-SA 4.0 · Source · ⁨المصدر⁩
File:Microtubule structure esp.png

Wikimedia Commons: https://commons.wikimedia.org/wiki/File:Microtubule_structure.png · CC BY-SA 4.0 · Source · ⁨المصدر⁩
File:Villi & microvilli of small intestine.svg

BallenaBlanca · CC BY-SA 4.0 · Source · ⁨المصدر⁩
File:Animal mitochondrion diagram et.svg

LadyofHats, translated by ArtjomJemeljanovNERG · Public domain · Source · ⁨المصدر⁩
File:Monocytes, a type of white blood cell (Giemsa stained).jpg

Dr Graham Beards · CC BY-SA 3.0 · Source · ⁨المصدر⁩
File:Anopheles stephensi.jpeg

Jim Gathany · Public domain · Source · ⁨المصدر⁩
File:Complete neuron cell diagram en.svg

LadyofHats · Public domain · Source · ⁨المصدر⁩
File:Neuro Muscular Junction.png

Doctor Jana · CC BY 4.0 · Source · ⁨المصدر⁩
File:Neutrophil with anthrax copy.jpg

Volker Brinkmann · CC BY 2.5 · Source · ⁨المصدر⁩
File:Nucleus Nucleolus and chromatin of animal cell.png

Dan · CC BY-SA 3.0 · Source · ⁨المصدر⁩
File:Plasmodesmata en.svg

User:Zlir'a · CC0 · Source · ⁨المصدر⁩
File:Types of amoeboid movement.tif

Peter J M Van Haastert · CC BY 4.0 · Source · ⁨المصدر⁩
File:Ribosome structure including subunits and binding sites.png

LadyofHats · CC0 · Source · ⁨المصدر⁩
File:Monocot Root Epidermal Root Hair in Lilium (36045152715).jpg

Berkshire Community College Bioscience Image Library · CC0 · Source · ⁨المصدر⁩
File:Rough endoplasmic reticulum.JPG

Rlawson at English Wikibooks · CC BY-SA 3.0 · Source · ⁨المصدر⁩
File:Atlantic salmon fish.jpg

Timothy Knepp, U.S. Fish and Wildlife Service · Public domain · Source · ⁨المصدر⁩
File:Cardiac sarcomere tomogram.jpg

Davide Tamborrini, Zhexin Wang, Thorsten Wagner, Sebastian Tacke, Markus Stabrin, Michael Grange, Ay Lin Kho, Martin Rees, Pauline Bennett, Mathias Gautel, Stefan Raunser · CC BY 4.0 · Source · ⁨المصدر⁩
File:Neuron figure fr.png

Dominique222 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
File:Phloem.jpg

Clematis · CC BY-SA 3.0 · Source · ⁨المصدر⁩
File:Reizleitungssystem 1.png

J. Heuser · CC BY 2.5 · Source · ⁨المصدر⁩
File:Chromosome Terminology.png

Christinelmiller · CC BY-SA 4.0 · Source · ⁨المصدر⁩
File:0313 Endoplasmic Reticulum c labeled.png

OpenStax · CC BY 3.0 · Source · ⁨المصدر⁩
File:Smooth muscle - histology.jpg

Juan Carlos Fonseca Mata · CC BY-SA 4.0 · Source · ⁨المصدر⁩
File:Soybean.USDA.jpg

· Public domain · Source · ⁨المصدر⁩
File:Prometaphase Mitosis Spindle apparatus Meiosis.jpg

Textured-Sears · CC0 · Source · ⁨المصدر⁩
File:Stratified squamous epithelium.png

Jmarchn · CC BY-SA 3.0 · Source · ⁨المصدر⁩
File:Microscope images of starch 3.png

Daniel Domene-López, Juan Carlos García-Quesada, Ignacio Martin-Gullon and Mercedes G. Montalbán · CC BY 4.0 · Source · ⁨المصدر⁩
File:Urtica dioica leaf cross section micrograph.zip.jpg

Mdantonio2005 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
File:Skeletal striated muscle.jpg

Nephron · CC BY-SA 3.0 · Source · ⁨المصدر⁩
File:Taste bud esp.jpg

NEUROtiker · CC BY-SA 3.0 · Source · ⁨المصدر⁩
File:Telomere caps.gif

U.S. Department of Energy Human Genome Program · Public domain · Source · ⁨المصدر⁩
File:Chloroplast II.svg

Kelvinsong · CC BY 3.0 · Source · ⁨المصدر⁩
File:Plant cell structure-en.svg

LadyofHats · Public domain · Source · ⁨المصدر⁩
File:Mitral valve prolapse subtypes.svg

Y. Coinblatt · CC BY-SA 4.0 · Source · ⁨المصدر⁩
File:2102 Comparison of Artery and Vein.jpg

OpenStax College · CC BY 3.0 · Source · ⁨المصدر⁩
File:Inferior vena cava ultrasound.gif

Tinss · CC BY-SA 4.0 · Source · ⁨المصدر⁩
File:Heart numlabels.svg

Wapcaplet · CC BY-SA 3.0 · Source · ⁨المصدر⁩
File:Venus Flytrap showing trigger hairs.jpg

Noah Elhardt · CC BY-SA 2.5 · Source · ⁨المصدر⁩
File:Yeast cells in wet mount of culture.jpg

Ajay Kumar Chaurasiya · CC BY-SA 4.0 · Source · ⁨المصدر⁩

A-Level Business · ⁨A-Level الدراسات التجارية⁩

01 · Business and its environment

Bonn, Post-Tower -- 2017 -- 2128 (bw)

Dietmar Rabich · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Retail outlets, High Street - geograph.org.uk - 7644448

John Baker · CC BY-SA 2.0 · Source · ⁨المصدر⁩
Austin Texas food truck

Kurtkaiser · CC0 · Source · ⁨المصدر⁩

02 · Human resource management

Meeting British business representatives (5430620349)

Foreign and Commonwealth Office · OGL v1.0 · Source · ⁨المصدر⁩
Young Woman in an Interview

Amtec Photos · CC BY-SA 2.0 · Source · ⁨المصدر⁩

03 · Marketing

Shibuya Crossing

Landry Miguel · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Branded retail display

tophomedesign · CC BY-SA 2.0 · Source · ⁨المصدر⁩
Candy products displayed in a supermarket

Nielsoncaetanosalmeron · CC BY 4.0 · Source · ⁨المصدر⁩

04 · Operations management

Assembly line

Marek Ślusarczyk (Tupungato) Photo portfolio · CC BY 3.0 · Source · ⁨المصدر⁩
Daiwa Logistics Tosu Logistics Center

Peka · CC BY-SA 4.0 · Source · ⁨المصدر⁩
001 Car factory assembly line - Opel factory in Gliwice, Poland

Marek Ślusarczyk (Tupungato) Photo portfolio · CC BY 3.0 · Source · ⁨المصدر⁩
FANUC 6-axis welding robots

Phasmatisnox · CC BY 3.0 · Source · ⁨المصدر⁩

05 · Finance and accounting

Market centre in Tokyo stock exchange

ehnmark · CC BY 2.0 · Source · ⁨المصدر⁩
Exterior of a modern Wells Fargo bank branch in Athens, Georgia 01

Harrison Keely · CC BY 4.0 · Source · ⁨المصدر⁩
Euro Series Banknotes (2019)

PawełMM · CC BY-SA 3.0 · Source · ⁨المصدر⁩

06 · Business and its environment (A Level)

McDonalds Golden Arches

Anthony92931 · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Shipping containers at West Harbour in Jätkäsaari, Helsinki, Finland, 2008 October

Kari Hakli · CC BY-SA 4.0 · Source · ⁨المصدر⁩

07 · Human resource management (A Level)

Team collaborating around a whiteboard in a modern office

Vitaly Gariev · Unsplash License · Source · ⁨المصدر⁩

08 · Marketing (A Level)

Times Square (23307389095)

Alex Liivet from Chester, United Kingdom · CC0 · Source · ⁨المصدر⁩
New World Supermarket During COVID-19 Pandemic

ProtoKiwi · CC BY-SA 4.0 · Source · ⁨المصدر⁩

09 · Operations management (A Level)

Factory Automation Robotics Palettizing Bread

KUKA Roboter GmbH, Bachmann · Public domain · Source · ⁨المصدر⁩

10 · Finance and accounting (A Level)

Financial statements analysis

kenteegardin · CC BY-SA 2.0 · Source · ⁨المصدر⁩
Trading floor of the New York Stock Exchange, New York City LCCN2011632435

Carol M. Highsmith · Public domain · Source · ⁨المصدر⁩

A-Level Chemistry · ⁨A-Level الكيمياء⁩

01 · Atomic structure

Scanning tunneling microscope (STM) 250 nm by 250 nm image of one-atom-thick silver islands grown on palladium (111) surface

Ponor · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Emission spectrum-H

Merikanto, Adrignola · CC0 · Source · ⁨المصدر⁩

02 · Atoms, molecules and stoichiometry

Vaha KERN - PEJ 2200-2M - 01

El Carlos · CC BY 3.0 · Source · ⁨المصدر⁩
Acid and Base Titration

Kengksn · CC BY-SA 4.0 · Source · ⁨المصدر⁩

03 · Chemical bonding

Halite (rock salt) crystal

Didier Descouens · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Methane-3D-balls

· Public domain · Source · ⁨المصدر⁩

04 · States of matter

Steam-boiling green asparagus

W.carter · CC0 · Source · ⁨المصدر⁩
Quartz Crystal Cluster (2932215981)

Stephanie Clifford from Arlington, VA, USA · CC BY 2.0 · Source · ⁨المصدر⁩
Copper (29 Cu)

Hi-Res Images of Chemical Elements · CC BY 3.0 · Source · ⁨المصدر⁩
Octahedral diamond (Mir Kimberlite; Mirnyy, Siberia, Russia) 1 (25177430258)

James St. John · CC BY 2.0 · Source · ⁨المصدر⁩

05 · Chemical energetics

Daiso instant cold pack 300g

photo: Qurren (talk) Taken with Canon PowerShot G9 X · CC BY-SA 4.0 · Source · ⁨المصدر⁩
GERMAN BUNSEN (6132104166)

Jason Woodhead · CC BY 2.0 · Source · ⁨المصدر⁩

06 · Electrochemistry

AA VARTA battery-side PNr°0782

D-Kuru · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Rust on iron

Laitr Keiows · CC BY-SA 3.0 · Source · ⁨المصدر⁩

07 · Equilibria

Cobalt(II) chloride solutions

Leiem · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Yara-Werk bei Tagesanbruch 2011

5snake5 · CC BY-SA 4.0 · Source · ⁨المصدر⁩

08 · Reaction kinetics

Catalytic converter (4293629922)

Oak Ridge National Laboratory · CC BY 2.0 · Source · ⁨المصدر⁩

09 · The Periodic Table: chemical periodicity

Simple Periodic Table of Elements

SCB2024 · CC0 · Source · ⁨المصدر⁩

10 · Group 2

Magnesium ribbon burning

Capt. John Yossarian · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Limestone Cliffs, Little Ormes Head - geograph.org.uk - 7808316

N Chadwick · CC BY-SA 2.0 · Source · ⁨المصدر⁩

11 · Group 17

Silver halide precipitates

Rrausch1974 · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Bromine-ampoule

Jurii · CC BY 3.0 · Source · ⁨المصدر⁩
Liquid Pool Chlorine

Maksym Kozlenko · CC BY-SA 4.0 · Source · ⁨المصدر⁩

12 · Nitrogen and sulfur

AerialViewPhotochemicalSmogMexicoCity 2

Creator:Fidel Gonzalez · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Mossmorran chemical plant - geograph.org.uk - 5288385

M J Richardson · CC BY-SA 2.0 · Source · ⁨المصدر⁩

13 · An introduction to AS Level organic chemistry

Crude oil

Glasbruch2007 · CC BY-SA 3.0 · Source · ⁨المصدر⁩
1-Undecanol molecular model

RandomKatze · CC0 · Source · ⁨المصدر⁩

14 · Hydrocarbons

Gas stove blue flames

Marina Burity from Santo André, Brazil · CC BY-SA 2.0 · Source · ⁨المصدر⁩
Anacortes Refinery 31911

Walter Siegmund (talk) · CC BY 2.5 · Source · ⁨المصدر⁩

15 · Halogen compounds

Lata de spray congelante

Nave do Conhecimento · CC0 · Source · ⁨المصدر⁩
reflux

Max1musmax · CC BY-SA 2.0 · Source · ⁨المصدر⁩
Rotační vakuová odparka

Milda 444 · CC BY-SA 4.0 · Source · ⁨المصدر⁩

16 · Hydroxy compounds

Fraktionierte Destillation - Laboratory Fractional distillation apparatus

Chemie-Verbände Baden-Württemberg · CC BY 2.0 · Source · ⁨المصدر⁩
Hand sanitizer in Bangkok in March 2020 - 1

Mx. Granger · CC0 · Source · ⁨المصدر⁩
Erlenmeyer TSB fermentation replicates

Luis Fernando Flores LAB · CC BY-SA 4.0 · Source · ⁨المصدر⁩

17 · Carbonyl compounds

Tollensprobe

Tmv23 · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Nail polish remover

Kaushik Narasimhan · CC BY 2.0 · Source · ⁨المصدر⁩

18 · Carboxylic acids and derivatives

Synthetic vinegar bottles

Sgroey · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Glass perfume bottle MET DP108895

This file was donated to Wikimedia Commons as part of a project by the Metropolitan Museum of Art. See the Image and Data Resources Open Access Policy · CC0 · Source · ⁨المصدر⁩

19 · Nitrogen compounds

Jana nylon stockings in packaging

Bevaringstenestene / Museumssenteret i Hordaland · CC BY-SA 4.0 · Source · ⁨المصدر⁩
2021-09-05 AsparnZaya Museum Färber

Robert Kropf · CC BY-SA 4.0 · Source · ⁨المصدر⁩

20 · Polymerisation

Polyethylene balls5

Lluis tgn · CC BY-SA 3.0 · Source · ⁨المصدر⁩
004 Beach pollution in Tenerife - Atlantic Ocean beach plastic garbage debris

Marek Ślusarczyk (Tupungato) Photo portfolio · CC BY 3.0 · Source · ⁨المصدر⁩

21 · Organic synthesis

Anterone (cyproterone acetate) tablets in Australia, with three blister packs

BlankEclair · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Pexeso dělička

Milda 444 · CC BY-SA 4.0 · Source · ⁨المصدر⁩

22 · Analytical techniques

BrukerDaltonics maXis1

Mike25 Michael Willett · Public domain · Source · ⁨المصدر⁩
FTIR spectrometer

Wang, F., Zhang, L., Zhang, X., Li, H. and Wu, S · CC BY 4.0 · Source · ⁨المصدر⁩

23 · Chemical energetics

Daiso instant cold pack 300g

photo: Qurren (talk) Taken with Canon PowerShot G9 X · CC BY-SA 4.0 · Source · ⁨المصدر⁩
HALIT X NaCl Natriumchlorid WÜRFEL KUBUS 50P

Hans-Joachim Engelhardt · CC BY-SA 4.0 · Source · ⁨المصدر⁩

24 · Electrochemistry

Hofmann'scher Wasserzersetzungsapparat - Deutsches Museum Verkehrszentrum

Mattes · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Barrel Plating For Small Parts

Encik Tekateki · CC BY-SA 4.0 · Source · ⁨المصدر⁩

25 · Equilibria

PH Test Strips

Ajay Kumar Chaurasiya · CC BY-SA 4.0 · Source · ⁨المصدر⁩
2015 Jaskinia Niedźwiedzia w Kletnie, szata naciekowa 26

Jacek Halicki · CC BY-SA 4.0 · Source · ⁨المصدر⁩

26 · Reaction kinetics

Catalysts

Shubhrapdil · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Gas syringe

User:Geni · CC BY-SA 3.0 · Source · ⁨المصدر⁩

27 · Group 2

Drehrohrofen Rohrdorf

Schmidti · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Idrossido di rame

Alvy16 · CC BY 4.0 · Source · ⁨المصدر⁩

28 · Chemistry of transition elements

Coloured-transition-metal-solutions

No machine-readable author provided. Benjah-bmm27 assumed (based on copyright claims) · Public domain · Source · ⁨المصدر⁩
Ruby crystal 1

W.carter · CC BY 4.0 · Source · ⁨المصدر⁩

30 · Hydrocarbons

White coloured mothball (naphthalene ball) 20230315 180901

Wiki Farazi · CC0 · Source · ⁨المصدر⁩

31 · Halogen compounds

SPRAYING PESTICIDES - NARA - 544246 (cropped)

John Messina · Public domain · Source · ⁨المصدر⁩

32 · Hydroxy compounds

Bar of carbolic soap

SamBlob · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Phenol substance photo

Rillke · CC BY-SA 3.0 · Source · ⁨المصدر⁩

33 · Carboxylic acids and derivatives

Lemon - whole and split

Ivar Leidus · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Regular strength enteric coated aspirin tablets

Ragesoss · CC BY-SA 4.0 · Source · ⁨المصدر⁩

34 · Nitrogen compounds

Methyl-orange-sample

Ben Mills · Public domain · Source · ⁨المصدر⁩
Paracetamol Tablets BP 500mg

themostinept · CC BY-SA 2.0 · Source · ⁨المصدر⁩

35 · Polymerisation

Nailoni süntees 2

Thctamm · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Bales of PET bottles closeup

Grendelkhan · CC BY-SA 4.0 · Source · ⁨المصدر⁩

37 · Analytical techniques

Bruker 300 MHz NMR Spectrometer

Lihan Yao · CC BY 2.0 · Source · ⁨المصدر⁩
Thin layer Chromatographic Plate Under 365nm UV light

Ikramul Hasan Imran · CC BY 4.0 · Source · ⁨المصدر⁩

A-Level Computer Science · ⁨A-Level علوم الحاسوب⁩

01 · Information representation

Single-digit seven-segment LED display

The Pi Hut · Product image · Source · ⁨المصدر⁩
Chinese Suanpan Abacus

Felix Winkelnkemper · CC BY-SA 4.0 · Source · ⁨المصدر⁩

02 · Communication

TP-Link TL-SG105 5-port gigabit switch

TP-Link · Product image · Source · ⁨المصدر⁩
Cat6 Ethernet cable with RJ-45 plugs

Cable Matters · Product image · Source · ⁨المصدر⁩

03 · Hardware

Opened hard disk drive

Zzubnik · Public domain · Source · ⁨المصدر⁩
Inside an SSD

Michael Bemmerl · CC BY 3.0 de · Source · ⁨المصدر⁩
Computer monitor

Dell · Product image · Source · ⁨المصدر⁩
Wireless mouse

Logitech · Product image · Source · ⁨المصدر⁩
Computer keyboard

Logitech · Product image · Source · ⁨المصدر⁩
DDR5 RAM module

Corsair · Product image · Source · ⁨المصدر⁩
Epson Perfection flatbed scanner

Epson · Product image · Source · ⁨المصدر⁩
Laser printer

Brother · Product image · Source · ⁨المصدر⁩
FDM 3D printer

Creality · Product image · Source · ⁨المصدر⁩
USB microphone

Logitech · Product image · Source · ⁨المصدر⁩
Stepper motor

Adafruit · Product image · Source · ⁨المصدر⁩
External optical disc drive

ASUS · Product image · Source · ⁨المصدر⁩
Meta Quest 3 VR headset

Meta · Product image · Source · ⁨المصدر⁩
Thermistor

SparkFun · Product image · Source · ⁨المصدر⁩
touchscreen

Rawpixel Ltd · CC0 · Source · ⁨المصدر⁩
EPROM Chip

WestonChants · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Garmin Forerunner 55

Melyanac · CC0 · Source · ⁨المصدر⁩

04 · Processor Fundamentals

CPU chip

Eric Gaba (Sting - fr:Sting) · CC BY-SA 3.0 · Source · ⁨المصدر⁩
CPU socket

Smial (talk) · FAL · Source · ⁨المصدر⁩
Amstrad VSC386SXD V2.01

Mister rf · CC BY-SA 4.0 · Source · ⁨المصدر⁩

05 · System Software

VirtualBox Windows 11 24H2 (Version 10.0.26100.1742.240906-0331) 04 02 2025 17 34 35

OS: Microsoft Corporation Screenshot: PantheraLeo1359531 😺 (talk) · Public domain · Source · ⁨المصدر⁩
OnePlus Nord smartphone displaying Android home screen

Gannu03 · CC BY-SA 4.0 · Source · ⁨المصدر⁩

06 · Security, privacy and data integrity

DigitalPersona U.are.U 4500 fingerprint reader

HID DigitalPersona · Product image · Source · ⁨المصدر⁩
RSA SecurID 700 hardware token

RSA Security · Product image · Source · ⁨المصدر⁩

07 · Ethics and Ownership

CCTV control room monitor wall

Mark Yeomans · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Ewaste-pile

AvWijk · Public domain · Source · ⁨المصدر⁩

08 · Databases

Hand in filing cabinet

Watty62 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Hard disk platters and head

Mfield, Matthew Field, http://www.photography.mattfield.com · CC BY-SA 3.0 · Source · ⁨المصدر⁩

09 · Algorithm Design and Problem-solving

Jigsaw puzzle in progress

Balise42 · CC BY-SA 4.0 · Source · ⁨المصدر⁩

10 · Data Types and Structures

Stack of multicolored books on a table

Alexander Grey · CC0 · Source · ⁨المصدر⁩
Vatican Museum Queue - April 2007

Diliff · CC BY-SA 3.0 · Source · ⁨المصدر⁩

11 · Programming

Java code demonstrating source-code abilities

Ilyaaaaa · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Programmer at work (Unsplash)

Crew crew · CC0 · Source · ⁨المصدر⁩

12 · Software Development

LampFlowchart

svg by Booyabazookaoriginal png by Wapcaplet · CC BY-SA 3.0 · Source · ⁨المصدر⁩
team-meeting

Startup Stock Photos · CC0 · Source · ⁨المصدر⁩

14 · Communication and internet technologies

TP-Link Archer AX55 Wi-Fi 6 router

TP-Link · Product image · Source · ⁨المصدر⁩
Nighthawk CM2000 cable modem

NETGEAR · Product image · Source · ⁨المصدر⁩
GS308 8-port Gigabit Ethernet switch

NETGEAR · Product image · Source · ⁨المصدر⁩
Fiber Optical Cable

Bquast · CC0 · Source · ⁨المصدر⁩
ASTRA2Connect Dish

Satbuff at English Wikipedia · Public domain · Source · ⁨المصدر⁩

15 · Hardware and Virtual Machines

CPU cooler

osman gucel · CC BY 2.0 · Source · ⁨المصدر⁩
Server racks

Carl Lender from Sunrise, USA · CC BY 2.0 · Source · ⁨المصدر⁩
GeForce RTX 4070 graphics card

NVIDIA · Product image · Source · ⁨المصدر⁩
ASUS TUF Gaming B650E-PLUS motherboard

ASUS · Product image · Source · ⁨المصدر⁩

16 · System Software

168 pin and 184 pin DIMM

Veeblefetzer · CC BY 4.0 · Source · ⁨المصدر⁩
Intel CPU Core 2 Duo E8400 Wolfdale perspective

Eric Gaba (Sting - fr:Sting) · CC BY-SA 4.0 · Source · ⁨المصدر⁩

17 · Security

YubiKey 5 NFC hardware security key

Yubico · Product image · Source · ⁨المصدر⁩
Enigma M4 Cipher Machine - Caen Memorial museum 2025-03-24

Andy Li · CC0 · Source · ⁨المصدر⁩

18 · Artificial Intelligence (AI)

Self-driving car

Dllu · CC BY 4.0 · Source · ⁨المصدر⁩
Humanoid robot

Willy Jackson · CC BY-SA 4.0 · Source · ⁨المصدر⁩
KUKA Industrial Robots IR

Mixabest · CC BY-SA 3.0 · Source · ⁨المصدر⁩

19 · Computational thinking and Problem-solving

Telefonbog ubt-1

© 2010 by Tomasz Sienicki [user: tsca, mail: tomasz.sienicki at gmail.com] · CC BY 3.0 · Source · ⁨المصدر⁩
54 Nancy bibliothèque municipale - catalogue

Marc Baronnet · CC BY-SA 3.0 · Source · ⁨المصدر⁩

A-Level Economics · ⁨A-Level الاقتصاد⁩

01 · Basic economic ideas and resource allocation

001 Car factory assembly line - Opel factory in Gliwice, Poland

Marek Ślusarczyk (Tupungato) Photo portfolio · CC BY 3.0 · Source · ⁨المصدر⁩
University students in a technology learning classroom

Ellamaria elshmod · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Bingham Canyon Open Pit Copper Mine 2012-09-17 21-25-59

Jet6581 · CC BY-SA 3.0 · Source · ⁨المصدر⁩

02 · The price system and the microeconomy

Outdoor market fruit and vegetable stall Market Place Romford London 01

Acabashi · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Ingo petrol station Fårösund July 01

Arild Vågen · CC BY-SA 4.0 · Source · ⁨المصدر⁩

03 · Government microeconomic intervention

Bonus Cigarettes

Antonio Kless · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Port Qasim Coal Power Plant, 08.06.2021

VileGecko · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Rio de Janeiro Favela, Rio de Janeiro State, Brazil 01

Wilfredor · CC0 · Source · ⁨المصدر⁩

04 · The macroeconomy

Central Business District skyline, Singapore, at night

Andrew McMillan · Public domain · Source · ⁨المصدر⁩
Aisle in Daily Market Groceries Canberra City October 2025

Nick-D · CC BY-SA 4.0 · Source · ⁨المصدر⁩

05 · Government macroeconomic intervention

Bank of England Building, London, UK - Diliff

Diliff · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Hungarian Parliament Building 1

kallerna · CC BY-SA 4.0 · Source · ⁨المصدر⁩

06 · International economic issues

Currency Exchange - Moldova (by David Stanley)

D-Stanley · CC BY 2.0 · Source · ⁨المصدر⁩
Red Hook Container Terminal New York September 2016 001

King of Hearts · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Red Hook Container Terminal New York September 2016 001

King of Hearts · CC BY-SA 4.0 · Source · ⁨المصدر⁩

07 · The price system and the microeconomy (A Level)

Large interior view of Plaza Singapura Shopping mall Orchard Road Singapore

Basile Morin · CC BY-SA 4.0 · Source · ⁨المصدر⁩
ArcelorMittal steel plant on the Cuyahoga River

Roy Luck · CC BY 2.0 · Source · ⁨المصدر⁩
Port Qasim Coal Power Plant, 08.06.2021

VileGecko · CC BY-SA 4.0 · Source · ⁨المصدر⁩

08 · Government microeconomic intervention (A Level)

Rio de Janeiro Favela, Rio de Janeiro State, Brazil 01

Wilfredor · CC0 · Source · ⁨المصدر⁩
Garment factory in Bangladesh Women working

Tareq Salahuddin from Dhaka, Bangladesh · CC BY 2.0 · Source · ⁨المصدر⁩
Bonus Cigarettes

Antonio Kless · CC BY-SA 4.0 · Source · ⁨المصدر⁩

09 · The macroeconomy (A Level)

Reigate, Lloyds Bank High Street - geograph.org.uk - 4306372

Michael Garlick · CC BY-SA 2.0 · Source · ⁨المصدر⁩
Skyscraper Construction in Frankfurt, Germany

Spinarak · CC0 · Source · ⁨المصدر⁩
Wind turbines (Adair Wind Farm, Iowa, USA) 6 (48916254952)

James St. John · CC BY 2.0 · Source · ⁨المصدر⁩

10 · Government macroeconomic intervention (A Level)

Seat of the European Central Bank and Frankfurt Skyline at dawn 20150422 1

DXR · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Trading Floor at the New York Stock Exchange

Scott Beale · CC BY-SA 4.0 · Source · ⁨المصدر⁩

11 · International economic issues (A Level)

Aerial image of the Bremerhaven container terminal (view from the southeast)

Carsten Steger · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Aerial view of a busy tomato market in Lagos Nigeria

Ayorinde Ogundele · CC BY-SA 4.0 · Source · ⁨المصدر⁩

A-Level Further Mathematics · ⁨A-Level رياضيات متقدمة⁩

01 · Further Pure Mathematics 1

Sailboat with spinnaker 17RM0454

Ermell · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Vatican Museums Spiral Staircase 2012

Colin · CC BY-SA 3.0 · Source · ⁨المصدر⁩

02 · Further Pure Mathematics 2

Romanesco broccoli fractals

Jon Sullivan · Public domain · Source · ⁨المصدر⁩
Metall-Zierkette in Nahaufnahme

Rhetos · CC0 · Source · ⁨المصدر⁩

03 · Further Mechanics

Newton's Cradle (15221366308)

Sheila Sund from Salem, United States · CC BY 2.0 · Source · ⁨المصدر⁩
James Parker hammer throw

Tech. Sgt. Mike Hammond · Public domain · Source · ⁨المصدر⁩
Fuente en Baku, Azerbaiyán, 2016-09-26, DD 227-229 HDR

Diego Delso · CC BY-SA 4.0 · Source · ⁨المصدر⁩

04 · Further Probability & Statistics

Galton box

Exhibit made by Estes Objethos Atelier, photo by Rodrigo.Argenton · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Dice (typical role playing game dice)

Diacritica · CC BY-SA 3.0 · Source · ⁨المصدر⁩

A-Level Mathematics · ⁨A-Level الرياضيات⁩

01 · Pure Mathematics 1

London Eye at sunset 2013-07-19

Bob Collowan · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Golden Gate Bridge on a clear day

Ariel E Barry · CC BY-SA 3.0 · Source · ⁨المصدر⁩

02 · Pure Mathematics 2

Seismograph recording

Atomicdragon136 · CC BY 4.0 · Source · ⁨المصدر⁩
SLNSW 8633 Dense crowd at SCG for test cricket

Sam Hood · Public domain · Source · ⁨المصدر⁩

03 · Pure Mathematics 3

Sailboat with spinnaker 17RM0454

Ermell · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Romanesco broccoli fractals

Jon Sullivan · Public domain · Source · ⁨المصدر⁩

04 · Mechanics

Newton's Cradle (15221366308)

Sheila Sund from Salem, United States · CC BY 2.0 · Source · ⁨المصدر⁩
Top Rope Climbing

Matito · CC BY-SA 2.0 · Source · ⁨المصدر⁩
First drop of Leviathan

K2HWY · CC BY 4.0 · Source · ⁨المصدر⁩

05 · Probability & Statistics 1

Galton box

Exhibit made by Estes Objethos Atelier, photo by Rodrigo.Argenton · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Dice (typical role playing game dice)

Diacritica · CC BY-SA 3.0 · Source · ⁨المصدر⁩

06 · Probability & Statistics 2

poisson-queue

@gadl · CC BY-SA 2.0 · Source · ⁨المصدر⁩
Audience-2595

Loadmaster (David R. Tribble) This image was made by Loadmaster (David R. Tribble). Email the author: David R. Tribble Also see my personal gallery at Google Photos · CC BY-SA 3.0 · Source · ⁨المصدر⁩

A-Level Physics · ⁨A-Level الفيزياء⁩

01 · Physical quantities and units

Mahr Micromar 40A 0–25 mm Micrometer (part labels added)

Lucasbosch · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Mahr MarCal 16 N vernier caliper

Lucasbosch · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Messschieber

ArtMechanic · CC BY-SA 3.0 · Source · ⁨المصدر⁩
5783metric-micrometer

Photograph taken by Glenn McKechnie · CC BY-SA 2.0 · Source · ⁨المصدر⁩

02 · Kinematics

Car speedometer

Chenspec · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Spd Lmt Enforcement Camera in Seohaean Expwy Haemi IC-Seosan IC(Seoul Dir)

Jhcbs1019 · CC BY-SA 4.0 · Source · ⁨المصدر⁩

03 · Dynamics

Space Shuttle Columbia launching

NASA · Public domain · Source · ⁨المصدر⁩
Crash test car from the West Germany USA zone before 120278145 (cropped)

Kalispera Dell · CC BY 3.0 · Source · ⁨المصدر⁩
Group of Skydivers in Freefall Formation at Sunset

Rstpch · CC BY-SA 4.0 · Source · ⁨المصدر⁩

04 · Forces, density and pressure

Fischer precision aneroid barometer

Fischer · Product image · Source · ⁨المصدر⁩
Glacial iceberg in Argentina

IlyaHaykinson · CC BY 2.0 · Source · ⁨المصدر⁩
CBD Cranes

Thabang S. Peter · CC BY-SA 4.0 · Source · ⁨المصدر⁩

05 · Work, energy and power

Wind turbines along North Middle Road, Essex County, Ontario, 2025-06-29

Crisco 1492 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Leviathan ascending (2)

Jason Zhang · CC BY-SA 3.0 · Source · ⁨المصدر⁩
2013-10-03 Fierza Hydroelectric Power Station, Albania 0632

You may re-use this image under the terms of the license using the following reference: Image: Wikipedia / Tobias Klenze / CC-BY-SA 4.0. The license must be a link! · CC BY 3.0 · Source · ⁨المصدر⁩
Leichtathletik Gala Linz 2018 pole vault Daubner-6249

Isiwal · CC BY-SA 4.0 · Source · ⁨المصدر⁩

06 · Deformation of solids

Shimadzu AGS-X universal testing machine

Shimadzu · Product image · Source · ⁨المصدر⁩
SpringHandExerciser

Simon Speed · Public domain · Source · ⁨المصدر⁩

07 · Waves

Rigol DS1054Z digital oscilloscope

Rigol · Product image · Source · ⁨المصدر⁩
Plastic Protractor Polarized 05375

Nevit Dilmen · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Breaking waves, Sète cf03

Christian Ferrer · CC BY 4.0 · Source · ⁨المصدر⁩

08 · Superposition

Two-point-interference-ripple-tank

The original uploader was RenamedUser2 at English Wikipedia · BSD · Source · ⁨المصدر⁩
Soap Bubble - foliage background - iridescent colours - Traquair 040801

· CC BY-SA 3.0 · Source · ⁨المصدر⁩

09 · Electricity

Electronic-Axial-Lead-Resistors-Array

Evan-Amos · Public domain · Source · ⁨المصدر⁩
Power lines in Stueng Hav District

Dmitry Makeev · CC BY-SA 4.0 · Source · ⁨المصدر⁩

10 · D.C. circuits

Multimeter probes on breadboard

Zeroping · CC BY 4.0 · Source · ⁨المصدر⁩
400 points breadboard

oomlout · CC BY-SA 2.0 · Source · ⁨المصدر⁩
Multimeter resistor bank (6952361918)

Dennis van Zuijlekom from Ermelo, The Netherlands · CC BY-SA 2.0 · Source · ⁨المصدر⁩

11 · Particle physics

Artificial nuclide americium-241 emitting alpha particles inserted into a cloud chamber for visualisation

Nuledo · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Bubble chamber event. Decay of neutral lambda, anti-lambda hyperons. Photograph circa July 1959. Bubble Chamber-772A - DPLA - 5141859e360581251906c073668c70de

Department of Energy. Lawrence Berkeley National Laboratory. Public Affairs Department. Strategic Resources Office. Photography Services. 2012 · Public domain · Source · ⁨المصدر⁩
Compact Linear Accelerator for Research and Applications (CLARA)

D2theW · CC0 · Source · ⁨المصدر⁩

12 · Motion in a circle

Ferris wheel Nice Dec 2008 a

Cayambe · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Ferris wheel Nice Dec 2008 a

Cayambe · CC BY-SA 3.0 · Source · ⁨المصدر⁩

13 · Gravitational fields

Saturn during Equinox

NASA / JPL / Space Science Institute · Public domain · Source · ⁨المصدر⁩
STS-135 final flyaround of ISS 1

NASA · Public domain · Source · ⁨المصدر⁩

14 · Temperature

Hot fries, cold drink. (17176913004)

Daniel Ramirez from Honolulu, USA · CC BY 2.0 · Source · ⁨المصدر⁩
Mercury Thermometer

Anonimski · CC BY-SA 3.0 · Source · ⁨المصدر⁩

15 · Ideal gases

Scuba diver practising a no mask swim

Yu Diving · CC BY-SA 2.0 · Source · ⁨المصدر⁩
2008-07-24 Bundle of compressed gas bottles

Ildar Sagdejev (Specious) · CC BY-SA 4.0 · Source · ⁨المصدر⁩

16 · Thermodynamics

Dampfturbine Laeufer01

Siemens Pressebild, http://www.siemens.com · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Rostock Power Station, SW view

Radomianin · CC BY-SA 4.0 · Source · ⁨المصدر⁩

17 · Oscillations

Tacoma Narrows still

Barney Elliot · Public Domain · Source · ⁨المصدر⁩
Shortt Synchronome free pendulum clock

Unknown authorUnknown author · Public domain · Source · ⁨المصدر⁩
Close up of an acoustic guitar being played

Nataev · CC BY-SA 4.0 · Source · ⁨المصدر⁩

18 · Electric fields

Van de Graaff generator

3B Scientific · Product image · Source · ⁨المصدر⁩
Lightning strike jan 2007

Fir0002 · GFDL 1.2 · Source · ⁨المصدر⁩

19 · Capacitance

Capacitors Various

Intiti · Public domain · Source · ⁨المصدر⁩
Electrolytic capacitors mounted on a circuit board

Giovanna 27 · CC BY 4.0 · Source · ⁨المصدر⁩

20 · Magnetic fields

Bar-magnets-repelling-iron-filings-max

MikeRun, Vera Wurmsdobler · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Iron-filings-around-magnet

· CC BY-SA 2.0 · Source · ⁨المصدر⁩
HITACHI, Magnetic Resonance Imaging System, ECHELON OVAL,

Mj-bird · CC BY-SA 3.0 · Source · ⁨المصدر⁩

21 · Alternating currents

Triangular wave and square wave on oscilloscope screen (cropped)

User:Xato · CC0 · Source · ⁨المصدر⁩
Muurame electrical substation transformer

Antti Leppänen · CC BY 4.0 · Source · ⁨المصدر⁩

22 · Quantum physics

Periodic Table of Photos of Element Spectra

Umop503 · CC0 · Source · ⁨المصدر⁩
Ground mounted solar panels.gk

Grendelkhan · CC BY-SA 4.0 · Source · ⁨المصدر⁩

23 · Nuclear physics

De Molen (windmill) and the nuclear power plant cooling tower in Doel, Belgium (DSCF3859)

Trougnouf · CC BY 4.0 · Source · ⁨المصدر⁩
Particle Tracks in AWAN Expansion Cloud Chamber

Kebuk awan · CC BY-SA 4.0 · Source · ⁨المصدر⁩

24 · Medical physics

Chest Xray PA 3-8-2010

Stillwaterising · CC0 · Source · ⁨المصدر⁩
PET-image

Jens Maus (http://jens-maus.de/) · Public domain · Source · ⁨المصدر⁩
Obstetric ultrasound scan monitor showing 20-week human fetus profile in Navi Mumbai 2015

Goleisureintl · CC BY 4.0 · Source · ⁨المصدر⁩

25 · Astronomy and cosmology

Hubble Ultra Deep Field

NASA and the European Space Agency. Edited by Noodle snacks · Public domain · Source · ⁨المصدر⁩
Andromeda Galaxy (M31)

Adam Evans · CC BY 2.0 · Source · ⁨المصدر⁩
Pillars of Creation (Eagle Nebula)

NASA, ESA, and the Hubble Heritage Team (STScI/AURA) · Public domain · Source · ⁨المصدر⁩
Very Large Telescope (ESO)

G.Gillet/ESO · CC BY 3.0 · Source · ⁨المصدر⁩

0101 · Physical quantities

Digital vernier caliper

Jacek Halicki · CC BY-SA 4.0 · Source · ⁨المصدر⁩

0102 · SI units

Prototype kilogram replica

Japs 88 · CC BY-SA 3.0 · Source · ⁨المصدر⁩

AP 2-D Art and Design · ⁨الفنون والتصميم AP 2-D⁩

01 · Elements of Art

Wright of Derby, The Orrery

Joseph Wright of Derby · Public domain · Source · ⁨المصدر⁩
Vincent van Gogh - Sunflowers - VGM F458

Vincent van Gogh · Public domain · Source · ⁨المصدر⁩
The Great Wave off Kanagawa

After Katsushika Hokusai · Public domain · Source · ⁨المصدر⁩
Jeansfabric

Thegreenj · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Vincent van Gogh - Self-Portrait - Google Art Project (454045)

Vincent van Gogh · Public domain · Source · ⁨المصدر⁩

02 · Principles of Design

Da Vinci Vitruve Luc Viatour

Leonardo da Vinci · Public domain · Source · ⁨المصدر⁩
Textile, Strawberry Thief, designed 1883, printed ca. 1934 (CH 18340065)

Unknown artistUnknown artist · Public domain · Source · ⁨المصدر⁩
Vincent van Gogh - Starry Night - Google Art Project

Vincent van Gogh · Public domain · Source · ⁨المصدر⁩
Wright of Derby, The Orrery

Joseph Wright of Derby · Public domain · Source · ⁨المصدر⁩

03 · 2-D Media, Materials, and Techniques

Albrecht Dürer - Melencolia I - Google Art Project (427760)

Albrecht Dürer · Public domain · Source · ⁨المصدر⁩
Alfred Stieglitz - The Steerage - Google Art Project, from Getty

Alfred Stieglitz · Public domain · Source · ⁨المصدر⁩
Claude Monet - Seerosen

Claude Monet · Public domain · Source · ⁨المصدر⁩

04 · Investigate: Inquiry and the Artistic Process

First Page of "Splendid Mountain Watercolours" Sketchbook MET 219169

John Singer Sargent · CC0 · Source · ⁨المصدر⁩
Color wheel with primaries and secondaries

eXercise project · CC0 · Source · ⁨المصدر⁩
The Great Wave off Kanagawa

After Katsushika Hokusai · Public domain · Source · ⁨المصدر⁩
Jean-Auguste-Dominique Ingres - Portrait of Guillaume Guillon-Lethière - Google Art Project

Jean-Auguste-Dominique Ingres · Public domain · Source · ⁨المصدر⁩

05 · Make: Practice, Experimentation, and Revision

Michelangelo - Study of an Ignudo -Teylers Museum

Michelangelo · Public domain · Source · ⁨المصدر⁩
Vincent van Gogh - Starry Night - Google Art Project

Vincent van Gogh · Public domain · Source · ⁨المصدر⁩
The Great Wave off Kanagawa

After Katsushika Hokusai · Public domain · Source · ⁨المصدر⁩

06 · Present: Communication and the AP Portfolio

Portrait of Alphonse Gérard, Comte de Rayneval (by Jean Auguste Dominique Ingres)

Jean-Auguste-Dominique Ingres · Public domain · Source · ⁨المصدر⁩
Claude Monet - Seerosen

Claude Monet · Public domain · Source · ⁨المصدر⁩
Kathe Kollwitz - Self-portrait NGA 1943.3.5217

Käthe Kollwitz · Public domain · Source · ⁨المصدر⁩

AP Biology · ⁨AP علم الأحياء⁩

01 · Chemistry of Life

Iceberg with hole near Sandersons Hope 2007-07-28 2

Kim Hansen · CC BY-SA 3.0 · Source · ⁨المصدر⁩
DNA Double Helix by NHGRI

National Human Genome Research Institute · Public domain · Source · ⁨المصدر⁩
1GZX Haemoglobin

Zephyris at English Wikipedia · CC BY-SA 3.0 · Source · ⁨المصدر⁩

02 · Cell Structure and Function

Onion Epidermis Cells W.M. 40x - 104

loganrickert · CC BY 2.0 · Source · ⁨المصدر⁩
Cloroplasti Elodea

Cimice50 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
SEM blood cells

Bruce Wetzel (photographer). Harry Schaefer (photographer) · Public domain · Source · ⁨المصدر⁩
Plasmolysis of red onion (Allium cepa) cells

Trương Minh Khải · CC BY 4.0 · Source · ⁨المصدر⁩

03 · Cellular Energetics

Mitochondria, mammalian lung - TEM

Louisa Howard · Public domain · Source · ⁨المصدر⁩
Cloroplasti Elodea

Cimice50 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Plastic spoon n Laundry detergent n Washing powder in white

Lebacno · CC BY-SA 3.0 · Source · ⁨المصدر⁩

04 · Cell Communication and Cell Cycle

Onion skin mitosis 20x magnification - uafcde

UAF Center for Distance Education · CC BY 2.0 · Source · ⁨المصدر⁩
Human fibroblast undergoing cytokinesis

Reneferretti1 · CC BY 4.0 · Source · ⁨المصدر⁩
Mitosis in Onion Root various stages (Metaphase)

Natalierussell77 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
1225 Chemical Synapse ku

https://openstax.org · CC BY 4.0 · Source · ⁨المصدر⁩

05 · Heredity

Karyotype (normal)

National Cancer Institute · Public domain · Source · ⁨المصدر⁩
Cepaea nemoralis pair banded shells

· CC BY-SA 2.0 · Source · ⁨المصدر⁩

06 · Gene Expression and Regulation

Agarose gel electrophoresis in UV light

YTEDG72.k · CC BY 4.0 · Source · ⁨المصدر⁩
Thermal cycler for PCR

Juan Carlos Fonseca Mata · CC BY-SA 4.0 · Source · ⁨المصدر⁩
DNA Extraction

Joo Nath · CC BY-SA 4.0 · Source · ⁨المصدر⁩

07 · Natural Selection

Antibiotic sensitivity test

Dr Graham Beards · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Biston.betularia.f.carbonaria.7209

Chiswick Chap · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Berlin Archaeopteryx

Emily Willoughby ([email protected]) · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Stromatolites in Shark Bay

Happy Little Nomad · CC BY-SA 2.0 · Source · ⁨المصدر⁩
Tree of life SVG

Ivica Letunic: Iletunic. Retraced by Mariana Ruiz Villarreal: LadyofHats · Public domain · Source · ⁨المصدر⁩
Active hydrothermal vent- Mushroom (OOI 222)

Ocean Observatories Initiative · Public domain · Source · ⁨المصدر⁩
Berlin Archaeopteryx

Emily Willoughby ([email protected]) · CC BY-SA 4.0 · Source · ⁨المصدر⁩

08 · Ecology

Coral Outcrop Flynn Reef

Toby Hudson · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Deforested area, Goldisthal, 2023-05-20

Radomianin · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Ocellaris clownfish

Metatron · CC BY-SA 3.0 · Source · ⁨المصدر⁩
A herd of white-tailed deer (Odocoileus virginianus) (5db1cb2b-e72c-4f15-a4d1-662e91c83945)

NPS Photo · Public domain · Source · ⁨المصدر⁩
Sunflower against the blue sky

Timothy Akolamazima · CC BY-SA 4.0 · Source · ⁨المصدر⁩

AP Calculus AB · ⁨AP التفاضل والتكامل AB⁩

01 · Limits and Continuity

GoldenGateBridge-001

Rich Niewiroski Jr · CC BY 2.5 · Source · ⁨المصدر⁩

02 · Differentiation: Definition and Fundamental Properties

Cedar Point Rougarou cars on loop track (2859)

Bobby Proffer · CC BY-SA 3.0 · Source · ⁨المصدر⁩

03 · Differentiation: Composite, Implicit, and Inverse Functions

Matryoshka dolls - Bor local museum

Лапоть · CC0 · Source · ⁨المصدر⁩

04 · Contextual Applications of Differentiation

Cedar Point Rougarou cars on loop track (2859)

Bobby Proffer · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Hot air balloon IMGP0344a

Alexey V. Kurochkin · CC BY-SA 4.0 · Source · ⁨المصدر⁩

05 · Analytical Applications of Differentiation

Matterhorn Riffelsee 2005-06-11

Dirk Beyer · CC BY-SA 3.0 · Source · ⁨المصدر⁩
New fenced enclosures at garden centre - geograph.org.uk - 6877019

Alan Reid · CC BY-SA 2.0 · Source · ⁨المصدر⁩

06 · Integration and Accumulation of Change

Water tank

Muhammad Saeed · CC BY-SA 3.0 · Source · ⁨المصدر⁩

07 · Differential Equations

EscherichiaColi NIAID

NIAID · Public domain · Source · ⁨المصدر⁩
Black Coffee and Tea in White Cup is Hot

epSos.de · CC BY 2.0 · Source · ⁨المصدر⁩

08 · Applications of Integration

Potter at work

Whippetsgalore · CC BY-SA 4.0 · Source · ⁨المصدر⁩

AP Calculus BC · ⁨AP التفاضل والتكامل BC⁩

01 · Limits and Continuity

GoldenGateBridge-001

Rich Niewiroski Jr · CC BY 2.5 · Source · ⁨المصدر⁩

02 · Differentiation: Definition and Fundamental Properties

Cedar Point Rougarou cars on loop track (2859)

Bobby Proffer · CC BY-SA 3.0 · Source · ⁨المصدر⁩

03 · Differentiation: Composite, Implicit, and Inverse Functions

Matterhorn Riffelsee 2005-06-11

Dirk Beyer · CC BY-SA 3.0 · Source · ⁨المصدر⁩

04 · Contextual Applications of Differentiation

Cedar Point Rougarou cars on loop track (2859)

Bobby Proffer · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Hot air balloon IMGP0344a

Alexey V. Kurochkin · CC BY-SA 4.0 · Source · ⁨المصدر⁩

05 · Analytical Applications of Differentiation

Matterhorn Riffelsee 2005-06-11

Dirk Beyer · CC BY-SA 3.0 · Source · ⁨المصدر⁩
New fenced enclosures at garden centre

Alan Reid · CC BY-SA 2.0 · Source · ⁨المصدر⁩

06 · Integration and Accumulation of Change

Water tank

Muhammad Saeed · CC BY-SA 3.0 · Source · ⁨المصدر⁩

07 · Differential Equations

EscherichiaColi NIAID

NIAID · Public domain · Source · ⁨المصدر⁩
Black Coffee and Tea in White Cup is Hot

epSos.de · CC BY 2.0 · Source · ⁨المصدر⁩

08 · Applications of Integration

Golden Gate Bridge on a clear day

Ariel E Barry · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Potter at work

Whippetsgalore · CC BY-SA 4.0 · Source · ⁨المصدر⁩

09 · Parametric Equations, Polar Coordinates, and Vector-Valued Functions

International Space Station after undocking of STS-132

NASA/Crew of STS-132 · Public domain · Source · ⁨المصدر⁩

10 · Infinite Sequences and Series

Russian-Matroshka no bg

Original photo: User:Fanghong Derivative work: User:Gnomz007 · CC BY-SA 3.0 · Source · ⁨المصدر⁩

AP Chemistry · ⁨AP الكيمياء⁩

01 · Atomic Structure and Properties

Coloured flames of methanol solutions of metal salts and compounds

Hegelrast · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Simple Periodic Table of Elements

SCB2024 · CC0 · Source · ⁨المصدر⁩

02 · Compound Structure and Properties

Halite (rock salt) crystal

Didier Descouens · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Octahedral diamond

James St. John · CC BY 2.0 · Source · ⁨المصدر⁩
Copper (29 Cu)

Hi-Res Images of Chemical Elements · CC BY 3.0 · Source · ⁨المصدر⁩

03 · Properties of Substances and Mixtures

Copper sulfate pentahydrate crystals

W. Oelen · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Steam-boiling green asparagus

W.carter · CC0 · Source · ⁨المصدر⁩

04 · Chemical Reactions

Magnesium ribbon burning

Capt. John Yossarian · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Acid and Base Titration

Kengksn · CC BY-SA 4.0 · Source · ⁨المصدر⁩

05 · Kinetics

Catalytic converter (4293629922)

Oak Ridge National Laboratory · CC BY 2.0 · Source · ⁨المصدر⁩
Gas syringe

User:Geni · CC BY-SA 3.0 · Source · ⁨المصدر⁩

06 · Thermochemistry

Daiso instant cold pack 300g

photo: Qurren (talk) Taken with Canon PowerShot G9 X · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Steam-boiling green asparagus

W.carter · CC0 · Source · ⁨المصدر⁩

07 · Equilibrium

Cobalt(II) chloride solutions

Leiem · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Yara-Werk bei Tagesanbruch 2011

5snake5 · CC BY-SA 4.0 · Source · ⁨المصدر⁩

08 · Acids and Bases

Blue and red litmus paper

Meganbeckett27 · CC BY-SA 3.0 · Source · ⁨المصدر⁩
PH Test Strips

Ajay Kumar Chaurasiya · CC BY-SA 4.0 · Source · ⁨المصدر⁩
PH Test Strips

Ajay Kumar Chaurasiya · CC BY-SA 4.0 · Source · ⁨المصدر⁩

09 · Thermodynamics and Electrochemistry

AA VARTA battery-side PNr°0782

D-Kuru · CC BY-SA 4.0 · Source · ⁨المصدر⁩
AA VARTA battery-side PNr°0782

D-Kuru · CC BY-SA 4.0 · Source · ⁨المصدر⁩
AA VARTA battery-side PNr°0782

D-Kuru · CC BY-SA 4.0 · Source · ⁨المصدر⁩

AP Computer Science A · ⁨AP علوم الحاسوب A⁩

01 · Using Objects and Methods

Intel CPU Core 2 Duo E8400 Wolfdale perspective

Eric Gaba (Sting - fr:Sting) · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Screen-python-code-matplotlib-physics-simulation

MikeRun · CC BY-SA 4.0 · Source · ⁨المصدر⁩

02 · Selection and Iteration

LampFlowchart

svg by Booyabazookaoriginal png by Wapcaplet · CC BY-SA 3.0 · Source · ⁨المصدر⁩
UK Red Traffic Light With Green Filter Arrow - geograph.org.uk - 6409628

Gary · CC BY-SA 2.0 · Source · ⁨المصدر⁩
001 Car factory assembly line - Opel factory in Gliwice, Poland

Marek Ślusarczyk (Tupungato) Photo portfolio · CC BY 3.0 · Source · ⁨المصدر⁩

03 · Class Creation

Jigsaw puzzle in progress

Balise42 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Blueprint - Hallwylska museet - 101011

Unknown authorUnknown author · Public domain · Source · ⁨المصدر⁩

04 · Data Collections

Hand in filing cabinet

Watty62 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Datacenter Server Racks (22370909788)

Carl Lender from Sunrise, USA · CC BY 2.0 · Source · ⁨المصدر⁩

AP Computer Science Principles · ⁨AP مبادئ علوم الحاسوب⁩

01 · Creative Development

Programmer at work (Unsplash)

Crew crew · CC0 · Source · ⁨المصدر⁩
Jigsaw puzzle in progress

Balise42 · CC BY-SA 4.0 · Source · ⁨المصدر⁩

02 · Data

Binary-code

Graph+sas · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Hard disk platters and head

Mfield, Matthew Field, http://www.photography.mattfield.com · CC BY-SA 3.0 · Source · ⁨المصدر⁩

03 · Algorithms and Programming

Telefonbog ubt-1

© 2010 by Tomasz Sienicki [user: tsca, mail: tomasz.sienicki at gmail.com] · CC BY 3.0 · Source · ⁨المصدر⁩
Screen-python-code-matplotlib-physics-simulation

MikeRun · CC BY-SA 4.0 · Source · ⁨المصدر⁩

04 · Computer Systems and Networks

Ethernet RJ45 connector p1160054

No machine-readable author provided. David.Monniaux assumed (based on copyright claims) · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Datacenter Server Racks (22370909788)

Carl Lender from Sunrise, USA · CC BY 2.0 · Source · ⁨المصدر⁩
Netgear-Nighthawk-AC1900-WiFi-Router

Evan-Amos · Public domain · Source · ⁨المصدر⁩

05 · Impact of Computing

CCTV control room monitor wall

Mark Yeomans · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Ewaste-pile

AvWijk · Public domain · Source · ⁨المصدر⁩
Self-driving car

Dllu · CC BY 4.0 · Source · ⁨المصدر⁩
Computer stations at Uganda Development Services Public Library, Kamuli district

AKibombo · CC BY-SA 4.0 · Source · ⁨المصدر⁩
HughesNet Satellite Internet Dish at Rural Cabin (42696447671)

Tony Webster from Minneapolis, Minnesota, United States · CC BY 2.0 · Source · ⁨المصدر⁩
Gender Gap Wikipedia Edit-a-thon (6)

Liridon · CC BY-SA 4.0 · Source · ⁨المصدر⁩

AP Cybersecurity · ⁨الأمن السيبراني (AP)⁩

01 · Introduction to Security

YubiKey 5 NFC hardware security key

Yubico · Product image · Source · ⁨المصدر⁩
RSA SecurID 700 hardware token

RSA Security · Product image · Source · ⁨المصدر⁩

02 · Securing Spaces

CCTV control room monitor wall

Mark Yeomans · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Vandal dome-style security camera next to signage on exterior of Target store

Myotus · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Padlock 7642

ImagePerson · CC BY-SA 4.0 · Source · ⁨المصدر⁩

03 · Securing Networks

Ethernet switch 2

Deavmi · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Datacenter Server Racks (22370909788)

Carl Lender from Sunrise, USA · CC BY 2.0 · Source · ⁨المصدر⁩

04 · Securing Devices

YubiKey 4 and 4C

Tony Webster from Minneapolis, Minnesota, United States. Cropped by SUM1 · CC BY 2.0 · Source · ⁨المصدر⁩
ClamTk 5.27

Mauroni, Dave · GPL · Source · ⁨المصدر⁩
Biometric Fingerprint Scanner

Sanskritibharti1398 · CC BY-SA 4.0 · Source · ⁨المصدر⁩

05 · Securing Applications and Data

Enigma-IMG 0487-black

Rama · CC BY-SA 2.0 fr · Source · ⁨المصدر⁩
Enigma M4 Cipher Machine - Caen Memorial museum 2025-03-24

Andy Li · CC0 · Source · ⁨المصدر⁩
Padlock 7642

ImagePerson · CC BY-SA 4.0 · Source · ⁨المصدر⁩

AP Drawing · ⁨الرسم (AP)⁩

01 · Line and Mark-Making

Albrecht Dürer - Praying Hands, 1508 - Google Art Project

Albrecht Dürer · Public domain · Source · ⁨المصدر⁩
Michelangelo - Study of an Ignudo -Teylers Museum

Michelangelo · Public domain · Source · ⁨المصدر⁩
Seurat Paul Signac

Georges Seurat · Public domain · Source · ⁨المصدر⁩

02 · Value, Light, and Form

Seurat Paul Signac

Georges Seurat · Public domain · Source · ⁨المصدر⁩

03 · Space, Depth, and Proportion

Amboy (California, USA), Hist. Route 66 -- 2012 -- 1

Dietmar Rabich · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Smoky Mountain Vista from Andrews Bald

Scott Basford · CC BY-SA 3.0 · Source · ⁨المصدر⁩

04 · Drawing Media and Processes

Schets van een stilleven van pannen en een fles, RP-T-1962-20(V)

Rijksmuseum · CC0 · Source · ⁨المصدر⁩
Jean-Auguste-Dominique Ingres - Portrait of Guillaume Guillon-Lethière - Google Art Project

Jean-Auguste-Dominique Ingres · Public domain · Source · ⁨المصدر⁩
Tobias asleep, Rembrandt van Rijn, c. 1651, pen and brown ink, corrected with white gouache, 16.9 by 19.0 cm, Museum Boijmans Van Beuningen, Rotterdam

Rembrandt · Public domain · Source · ⁨المصدر⁩
Edgar Degas - Ballet (L'Étoile)

Edgar Degas · Public domain · Source · ⁨المصدر⁩
Rembrandt The Three Crosses 1653

Rembrandt · Public domain · Source · ⁨المصدر⁩

05 · Investigate: Inquiry and the Artistic Process

First Page of "Splendid Mountain Watercolours" Sketchbook MET 219169

John Singer Sargent · CC0 · Source · ⁨المصدر⁩
Albrecht Dürer - Melencolia I - Google Art Project (427760)

Albrecht Dürer · Public domain · Source · ⁨المصدر⁩
Jean-Auguste-Dominique Ingres - Portrait of Guillaume Guillon-Lethière - Google Art Project

Jean-Auguste-Dominique Ingres · Public domain · Source · ⁨المصدر⁩

06 · Make: Practice, Experimentation, and Revision

Michelangelo - Study of an Ignudo -Teylers Museum

Michelangelo · Public domain · Source · ⁨المصدر⁩
Da Vinci Vitruve Luc Viatour

Leonardo da Vinci · Public domain · Source · ⁨المصدر⁩
Cezanne Still Life with Apples a Bottle and a Milk Pot

Paul Cézanne · Public domain · Source · ⁨المصدر⁩

07 · Present: Communication and the AP Drawing Portfolio

Portrait of Alphonse Gérard, Comte de Rayneval (by Jean Auguste Dominique Ingres)

Jean-Auguste-Dominique Ingres · Public domain · Source · ⁨المصدر⁩
Artist studio

Studiotarekatoui · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Albrecht Dürer - Praying Hands, 1508 - Google Art Project

Albrecht Dürer · Public domain · Source · ⁨المصدر⁩
First Page of "Splendid Mountain Watercolours" Sketchbook MET 219169

John Singer Sargent · CC0 · Source · ⁨المصدر⁩

AP English Literature and Composition · ⁨الأدب والتأليف الإنجليزي (AP)⁩

02 · Poetry I

Page of text with commentary and pointers in margins (NYPL b12455533-423678)

Scan by NYPL · Public domain · Source · ⁨المصدر⁩

AP Environmental Science · ⁨AP العلوم البيئية⁩

01 · The Living World: Ecosystems

Moore Reef underwater ReefScape

Holobionics · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Palawan, Tropical jungle rainforest

Vyacheslav Argenberg · CC BY 4.0 · Source · ⁨المصدر⁩
Sossusvlei sand dunes

Winfried Bruenken (Amrum) · CC BY-SA 2.5 · Source · ⁨المصدر⁩

02 · The Living World: Biodiversity

Northwest Crown Fire Experiment

(Photograph used by permission of the USDA Forest Service.) · CC BY 2.5 · Source · ⁨المصدر⁩
Rock covered with multicolored patches of lichen

Tomascastelazo · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Moore Reef underwater ReefScape

Holobionics · CC BY-SA 4.0 · Source · ⁨المصدر⁩

03 · Populations

African Elephant and calf (7513392380)

shankar s. from Dubai, united arab emirates · CC BY 2.0 · Source · ⁨المصدر⁩
European rabbit (Oryctolagus cuniculus) kitten

Alexis Lours · CC BY 2.0 · Source · ⁨المصدر⁩
A herd of white-tailed deer (Odocoileus virginianus) (5db1cb2b-e72c-4f15-a4d1-662e91c83945)

NPS Photo · Public domain · Source · ⁨المصدر⁩
Shibuya Crossing (53333799585)

Dick Thomas Johnson from Tokyo, Japan · CC BY 2.0 · Source · ⁨المصدر⁩

04 · Earth Systems and Resources

Soil Profile Containing an Argillic Horizon

Cjrufe · CC0 · Source · ⁨المصدر⁩
001 Volcano eruption of Litli-Hrútur in Iceland in 2023 Photo by Giles Laurent

Giles Laurent · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Soil Profile Containing an Argillic Horizon

Cjrufe · CC0 · Source · ⁨المصدر⁩
Sossusvlei sand dunes

Winfried Bruenken (Amrum) · CC BY-SA 2.5 · Source · ⁨المصدر⁩
00 1838 Iguazu Falls from the Brazilian side

W. Bulach · CC BY-SA 4.0 · Source · ⁨المصدر⁩

05 · Land and Water Use

Longsheng Rice Terraces November 2017 014

King of Hearts · CC BY-SA 4.0 · Source · ⁨المصدر⁩
2019 Bingham Canyon Mine 04

Farragutful · CC BY-SA 4.0 · Source · ⁨المصدر⁩
WITHIN A MILE OF MAGNIFICENT REDWOODS ARE SITES OF SOME OF THE WORST LOGGING AND CLEAR CUTTING - NARA - 542855

Tomas Sennett · Public domain · Source · ⁨المصدر⁩
Aerial view of suburban housing in Blacklick, Ohio, October 2024

Pi.1415926535 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
SPRAYING PESTICIDES - NARA - 544246 (cropped)

John Messina · Public domain · Source · ⁨المصدر⁩
Wind turbines (Adair Wind Farm, Iowa, USA) 6 (48916254952)

James St. John · CC BY 2.0 · Source · ⁨المصدر⁩
Farmland near Bradeley Green in Cheshire - geograph.org.uk - 5271496

Roger Kidd · CC BY-SA 2.0 · Source · ⁨المصدر⁩

06 · Energy Resources and Consumption

TurowCoalMine

Petr Vodička · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Olkiluoto 1&2

kallerna · Public domain · Source · ⁨المصدر⁩
Krafla power plant - Kröflustöð

Villy Fink Isaksen · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Dülmen, Kirchspiel, Welte, Windräder -- 2010 -- 3519

Dietmar Rabich · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Paneles solares en Cariñena, España, 2015-01-08, DD 08

Diego Delso · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Glen Canyon Dam 2013

Tuxyso · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Paneles solares en Cariñena, España, 2015-01-08, DD 08

Diego Delso · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Dülmen, Kirchspiel, Welte, Windräder -- 2010 -- 3519

Dietmar Rabich · CC BY-SA 4.0 · Source · ⁨المصدر⁩

07 · Atmospheric Pollution

Salt Lake City smog haze skyline 01

Eltiempo10 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Waldsterben am Falkenstein

Rosa-Maria Rinkl · CC BY 4.0 · Source · ⁨المصدر⁩
Chulla cookstove tamil nadu india

mckaysavage · CC BY 2.0 · Source · ⁨المصدر⁩

08 · Aquatic and Terrestrial Pollution

Detail of mangrove roots

Jonathan Wilkins · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Pond covered in algae

Mijesty · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Knott Landfill - Deschutes County, Oregon

Tequask · CC BY-SA 4.0 · Source · ⁨المصدر⁩

09 · Global Change

Largest ever Ozone hole sept2000

NASA · Public domain · Source · ⁨المصدر⁩
Bleached colony of Acropora coral

Vardhanjp · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Hubbard Glacier calving Alaska. (12027161386)

Bernard Spragg. NZ from Christchurch, New Zealand · CC0 · Source · ⁨المصدر⁩
Kudzu on trees in Atlanta, Georgia

Scott Ehardt · Public domain · Source · ⁨المصدر⁩
A coral reef on the Great Barrier Reef

Toby Hudson · CC BY-SA 3.0 · Source · ⁨المصدر⁩
TurowCoalMine

Petr Vodička · CC BY-SA 4.0 · Source · ⁨المصدر⁩

AP European History · ⁨تاريخ أوروبا (AP)⁩

01 · Renaissance and Exploration

Musée de l'imprimerie de Nantes - 075 - Presse à bras en bois, commandé par Gutenberg

Koreller · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Type case with movable types for letterpress printing in the Gutenberg Museum, Mainz, Germany (48988492232)

dronepicr · CC BY 2.0 · Source · ⁨المصدر⁩

03 · Absolutism and Constitutionalism

Chateau Versailles Galerie des Glaces

Myrabella · CC BY-SA 3.0 · Source · ⁨المصدر⁩

06 · Industrialization and Its Effects

Mule MOSI Textile Hall 6410

Clem Rutter, Rochester, Kent · CC BY 3.0 · Source · ⁨المصدر⁩
Crystal Palace - interior

J. McNeven · Public domain · Source · ⁨المصدر⁩

08 · 20th-Century Global Conflicts

Cheshire Regiment trench Somme 1916

John Warwick Brooke · Public domain · Source · ⁨المصدر⁩

AP Human Geography · ⁨الجغرافيا البشرية (AP)⁩

01 · Thinking Geographically

Shibuya Crossing (53333799585)

Dick Thomas Johnson from Tokyo, Japan · CC BY 2.0 · Source · ⁨المصدر⁩
Aerial view of suburban housing in Blacklick, Ohio, October 2024

Pi.1415926535 · CC BY-SA 4.0 · Source · ⁨المصدر⁩

02 · Population and Migration Patterns and Processes

Shibuya Crossing (53333799585)

Dick Thomas Johnson from Tokyo, Japan · CC BY 2.0 · Source · ⁨المصدر⁩
Hungarian Immigrants Cleveland

Hu Totya · Public domain · Source · ⁨المصدر⁩
Hungarian Immigrants Cleveland

Hu Totya · Public domain · Source · ⁨المصدر⁩

03 · Cultural Patterns and Processes

Seattle - Chinatown gate 01

Joe Mabel · CC BY-SA 3.0 · Source · ⁨المصدر⁩
SF Chinatown street sign Clay

Daniel Schwen · CC BY-SA 4.0 · Source · ⁨المصدر⁩
SF Chinatown street sign Clay

Daniel Schwen · CC BY-SA 4.0 · Source · ⁨المصدر⁩

04 · Political Patterns and Processes

Hungarian Parliament Building 1

kallerna · CC BY-SA 4.0 · Source · ⁨المصدر⁩
WITHIN A MILE OF MAGNIFICENT REDWOODS ARE SITES OF SOME OF THE WORST LOGGING AND CLEAR CUTTING - NARA - 542855

Tomas Sennett · Public domain · Source · ⁨المصدر⁩
Hong Kong skyline

victorgrigas · CC BY-SA 3.0 · Source · ⁨المصدر⁩
UN General Assembly hall

Patrick Gruban, cropped and downsampled by Pine · CC BY-SA 2.0 · Source · ⁨المصدر⁩
US-Mexico border fence

Office of Representative Phil Gingrey · Public domain · Source · ⁨المصدر⁩

05 · Agriculture and Rural Land-Use Patterns and Processes

Combine harvester cutting wheat at Arbuthnott, Aberdeenshire - geograph.org.uk - 8117522

Adrian Diack · CC BY-SA 2.0 · Source · ⁨المصدر⁩
Farmer using a hoe in a farm

Adesolive · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Rows in a tea plantation

Adesolive · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Combine harvester cutting wheat at Arbuthnott, Aberdeenshire - geograph.org.uk - 8117522

Adrian Diack · CC BY-SA 2.0 · Source · ⁨المصدر⁩

06 · Cities and Urban Land-Use Patterns and Processes

Manhattan skyline from Upper New York Bay, 20231001 1041 0889

Jakub Hałun · CC BY 4.0 · Source · ⁨المصدر⁩
Rio de Janeiro Favela, Rio de Janeiro State, Brazil 02

Wilfredor · CC0 · Source · ⁨المصدر⁩
Tokyo Shibuya Scramble Crossing 2018-10-09

Benh LIEU SONG (Flickr) · CC BY-SA 2.0 · Source · ⁨المصدر⁩

07 · Industrial and Economic Development Patterns and Processes

Container ship NYK Themis at the Port of Los Angeles

Downtowngal · CC BY-SA 4.0 · Source · ⁨المصدر⁩
FANUC 6-axis welding robots

Phasmatisnox · CC BY 3.0 · Source · ⁨المصدر⁩
Paneles solares en Cariñena, España, 2015-01-08, DD 08

Diego Delso · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Container ship NYK Themis at the Port of Los Angeles

Downtowngal · CC BY-SA 4.0 · Source · ⁨المصدر⁩

AP Macroeconomics · ⁨الاقتصاد الكلي (AP)⁩

01 · Basic Economic Concepts

Bingham Canyon Open Pit Copper Mine 2012-09-17 21-25-59

Jet6581 · CC BY-SA 3.0 · Source · ⁨المصدر⁩
DFC 2094 Evening buzz at a busy night market - food stalls colorful lights and people strolling through the crowded aisle

PattayaPatrol · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Aerial image of the Bremerhaven container terminal (view from the southeast)

Carsten Steger · CC BY-SA 4.0 · Source · ⁨المصدر⁩

02 · Economic Indicators and the Business Cycle

Vatican Museum Queue - April 2007

Diliff · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Aisle in Daily Market Groceries Canberra City October 2025

Nick-D · CC BY-SA 4.0 · Source · ⁨المصدر⁩

03 · National Income and Price Determination

Port Qasim Coal Power Plant, 08.06.2021

VileGecko · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Central Business District skyline, Singapore, at night

Andrew McMillan · Public domain · Source · ⁨المصدر⁩

04 · Financial Sector

Euro Series Banknotes (2019)

PawełMM · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Trading floor of the New York Stock Exchange, New York City LCCN2011632435

Carol M. Highsmith · Public domain · Source · ⁨المصدر⁩
Bank of England Building, London, UK - Diliff

Diliff · CC BY-SA 3.0 · Source · ⁨المصدر⁩

05 · Long-Run Consequences of Stabilization Policies

Hungarian Parliament Building 1

kallerna · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Wind turbines (Adair Wind Farm, Iowa, USA) 6 (48916254952)

James St. John · CC BY 2.0 · Source · ⁨المصدر⁩
Euro Series Banknotes (2019)

PawełMM · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Trading floor of the New York Stock Exchange, New York City LCCN2011632435

Carol M. Highsmith · Public domain · Source · ⁨المصدر⁩

06 · Open Economy—International Trade and Finance

Currency Exchange - Moldova (by David Stanley)

D-Stanley · CC BY 2.0 · Source · ⁨المصدر⁩
Aerial image of the Bremerhaven container terminal (view from the southeast)

Carsten Steger · CC BY-SA 4.0 · Source · ⁨المصدر⁩

AP Microeconomics · ⁨الاقتصاد الجزئي (AP)⁩

01 · Basic Economic Concepts

Outdoor market fruit and vegetable stall Market Place Romford London 01

Acabashi · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Aerial image of the Bremerhaven container terminal (view from the southeast)

Carsten Steger · CC BY-SA 4.0 · Source · ⁨المصدر⁩

02 · Supply and Demand

Fruit and vegetable stall at Southside Farmers Market November 2025

Nick-D · CC BY-SA 4.0 · Source · ⁨المصدر⁩
DFC 2094 Evening buzz at a busy night market - food stalls colorful lights and people strolling through the crowded aisle

PattayaPatrol · CC BY-SA 4.0 · Source · ⁨المصدر⁩

03 · Production, Cost, and the Perfect Competition Model

Robot arm picks up cylindrical objects in a factory setting

Shixart1985 · CC BY 2.0 · Source · ⁨المصدر⁩
ArcelorMittal steel plant on the Cuyahoga River

Roy Luck · CC BY 2.0 · Source · ⁨المصدر⁩

04 · Imperfect Competition

001 Car factory assembly line - Opel factory in Gliwice, Poland

Marek Ślusarczyk (Tupungato) Photo portfolio · CC BY 3.0 · Source · ⁨المصدر⁩
Port Qasim Coal Power Plant, 08.06.2021

VileGecko · CC BY-SA 4.0 · Source · ⁨المصدر⁩

05 · Factor Markets

Garment factory in Bangladesh Women working

Tareq Salahuddin from Dhaka, Bangladesh · CC BY 2.0 · Source · ⁨المصدر⁩
001 Car factory assembly line - Opel factory in Gliwice, Poland

Marek Ślusarczyk (Tupungato) Photo portfolio · CC BY 3.0 · Source · ⁨المصدر⁩

06 · Market Failure and the Role of Government

Bonus Cigarettes

Antonio Kless · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Rio de Janeiro Favela, Rio de Janeiro State, Brazil 01

Wilfredor · CC0 · Source · ⁨المصدر⁩
Port Qasim Coal Power Plant, 08.06.2021

VileGecko · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Bielsko-Biała, ulica Warszawska, korek 02

Kamil Czaiński · CC BY-SA 4.0 · Source · ⁨المصدر⁩

AP Physics 1 · ⁨AP الفيزياء 1⁩

01 · Kinematics

SNCF TGV Duplex Viaduc de Cize - Bolozon

Kabelleger / David Gubler (http://www.bahnbilder.ch) · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Car speedometer

Chenspec · CC BY-SA 4.0 · Source · ⁨المصدر⁩

02 · Force and Translational Dynamics

Space Shuttle Columbia launching

NASA · Public domain · Source · ⁨المصدر⁩
Group of Skydivers in Freefall Formation at Sunset

Rstpch · CC BY-SA 4.0 · Source · ⁨المصدر⁩

03 · Work, Energy, and Power

First drop of Leviathan

K2HWY · CC BY 4.0 · Source · ⁨المصدر⁩
00 1838 Iguazu Falls from the Brazilian side

W. Bulach · CC BY-SA 4.0 · Source · ⁨المصدر⁩

04 · Linear Momentum

Newton's Cradle

AntHolnes · CC BY-SA 3.0 · Source · ⁨المصدر⁩

05 · Torque and Rotational Dynamics

SpringHandExerciser

Simon Speed · Public domain · Source · ⁨المصدر⁩
Crash test car from the West Germany USA zone before 120278145 (cropped)

Kalispera Dell · CC BY 3.0 · Source · ⁨المصدر⁩

06 · Energy and Momentum of Rotating Systems

ISS Aug2005

NASA · Public domain · Source · ⁨المصدر⁩

07 · Oscillations

Tuning forks - Various frequencies

K.Venkataramana · CC0 · Source · ⁨المصدر⁩
SpringHandExerciser

Simon Speed · Public domain · Source · ⁨المصدر⁩

08 · Fluids

Barometer, aneroid (AM 2014.62.1-3)

Sharman D. Neill Ltd · CC BY 4.0 · Source · ⁨المصدر⁩
Hydraulic jacks 8655

SwarmCheng · CC BY-SA 4.0 · Source · ⁨المصدر⁩

AP Physics 2 · ⁨AP الفيزياء 2⁩

09 · Thermodynamics

Hot air balloon IMGP0344a

Alexey V. Kurochkin · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Glacial iceberg in Argentina

IlyaHaykinson · CC BY 2.0 · Source · ⁨المصدر⁩

10 · Electric Force, Field, and Potential

Port and lighthouse overnight storm with lightning in Port-la-Nouvelle

Maxime Raynal from France · CC BY 2.0 · Source · ⁨المصدر⁩
Muller Van de Graaff generator demonstration

Drbaker171 at English Wikipedia · Public domain · Source · ⁨المصدر⁩

11 · Electric Circuits

ESP-01 WiFi Breadboard Project

RetroEditor · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Rigol DS1054Z digital oscilloscope

Rigol · Product image · Source · ⁨المصدر⁩
Power lines in Stueng Hav District

Dmitry Makeev · CC BY-SA 4.0 · Source · ⁨المصدر⁩

12 · Magnetism and Electromagnetism

Bar-magnet-iron-filings max

MikeRun, Vera Wurmsdobler · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Aurora borealis over Eielson Air Force Base, Alaska

United States Air Force photo by Senior Airman Joshua Strang · Public domain · Source · ⁨المصدر⁩
Muurame electrical substation transformer

Antti Leppänen · CC BY 4.0 · Source · ⁨المصدر⁩
Openstax college-physics 22.10 ironfilings-coil-magnet

OpenStax · CC BY 4.0 · Source · ⁨المصدر⁩

13 · Geometric Optics

Convex lens (magnifying glass) and upside-down image

AntanO · CC BY-SA 4.0 · Source · ⁨المصدر⁩
DispersionPrisme

Kilohn limahn · CC BY-SA 4.0 · Source · ⁨المصدر⁩

14 · Waves, Sound, and Physical Optics

Diffraction CD

Zykov S · CC BY 4.0 · Source · ⁨المصدر⁩
Two-point-interference-ripple-tank

The original uploader was RenamedUser2 at English Wikipedia · BSD · Source · ⁨المصدر⁩

15 · Modern Physics

Hydrogen spectrum visible

McZusatz (talk) · CC0 · Source · ⁨المصدر⁩
Particle Tracks in AWAN Expansion Cloud Chamber

Kebuk awan · CC BY-SA 4.0 · Source · ⁨المصدر⁩
De Molen (windmill) and the nuclear power plant cooling tower in Doel, Belgium (DSCF3859)

Trougnouf · CC BY 4.0 · Source · ⁨المصدر⁩

AP Physics C: Electricity and Magnetism · ⁨AP الفيزياء C: الكهرباء والمغناطيسية⁩

08 · Electric Charges, Fields, and Gauss's Law

OneTeslaTS DRSSTC Tesla Coil closeup

Original image: OneTesla Derived image: Chetvorno · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Muller Van de Graaff generator demonstration

Drbaker171 at English Wikipedia · Public domain · Source · ⁨المصدر⁩

09 · Electric Potential

Power lines in Stueng Hav District

Dmitry Makeev · CC BY-SA 4.0 · Source · ⁨المصدر⁩

10 · Conductors and Capacitors

Capacitors Various

Intiti · Public domain · Source · ⁨المصدر⁩
Electrolytic capacitors mounted on a circuit board

Giovanna 27 · CC BY 4.0 · Source · ⁨المصدر⁩

11 · Electric Circuits

ESP-01 WiFi Breadboard Project

RetroEditor · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Rigol DS1054Z digital oscilloscope

Rigol · Product image · Source · ⁨المصدر⁩

12 · Magnetic Fields and Electromagnetism

Openstax college-physics 22.10 ironfilings-coil-magnet

OpenStax · CC BY 4.0 · Source · ⁨المصدر⁩
Aurora borealis over Eielson Air Force Base, Alaska

United States Air Force photo by Senior Airman Joshua Strang · Public domain · Source · ⁨المصدر⁩

13 · Electromagnetic Induction

Electric Motor Rotor

Richard Wheeler (Zephyris) · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Muurame electrical substation transformer

Antti Leppänen · CC BY 4.0 · Source · ⁨المصدر⁩

AP Physics C: Mechanics · ⁨AP الفيزياء C: الميكانيكا⁩

01 · Kinematics

SNCF TGV Duplex Viaduc de Cize - Bolozon

Kabelleger / David Gubler (http://www.bahnbilder.ch) · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Car speedometer

Chenspec · CC BY-SA 4.0 · Source · ⁨المصدر⁩

02 · Force and Translational Dynamics

Space Shuttle Columbia launching

NASA · Public domain · Source · ⁨المصدر⁩
Group of Skydivers in Freefall Formation at Sunset

Rstpch · CC BY-SA 4.0 · Source · ⁨المصدر⁩

03 · Work, Energy, and Power

First drop of Leviathan

K2HWY · CC BY 4.0 · Source · ⁨المصدر⁩

04 · Linear Momentum

Newton's Cradle

AntHolnes · CC BY-SA 3.0 · Source · ⁨المصدر⁩

05 · Torque and Rotational Dynamics

Gear train

Robbie Sproule from Montreal, Canada · CC BY 2.0 · Source · ⁨المصدر⁩
Analytical beam balance - Upper part of high precision mechanical analytical scales

Sergei Golyshev · CC BY-SA 2.0 · Source · ⁨المصدر⁩

06 · Energy and Momentum of Rotating Systems

Kimmy Repond (born 18 October 2006), Swiss figure skater, at Art on Ice 2026 in Zurich. DSC05240

Skyscraper2010 · CC BY-SA 4.0 · Source · ⁨المصدر⁩

07 · Oscillations

Saint Isaac's Cathedral - Foucault pendulum in 1984

This photo is a scanned Reversal film (Slide) · CC BY-SA 4.0 · Source · ⁨المصدر⁩

AP Precalculus · ⁨AP ما قبل التفاضل والتكامل⁩

01 · Polynomial and Rational Functions

Golden Gate Bridge on a clear day

Ariel E Barry · CC BY-SA 3.0 · Source · ⁨المصدر⁩
GoldenGateBridge-001

Rich Niewiroski Jr · CC BY 2.5 · Source · ⁨المصدر⁩
Antena parabólica

Rjcastillo · CC BY-SA 3.0 · Source · ⁨المصدر⁩

02 · Exponential and Logarithmic Functions

800metresOlympicTrials2020

jenaragon94 · CC BY 2.0 · Source · ⁨المصدر⁩
Matryoshka dolls - Bor local museum

Лапоть · CC0 · Source · ⁨المصدر⁩
EscherichiaColi NIAID

NIAID · Public domain · Source · ⁨المصدر⁩

03 · Trigonometric and Polar Functions

Giant Ferris Wheel Vienna from W on 2010-09-20

Robert F. Tobler · CC BY-SA 4.0 · Source · ⁨المصدر⁩
International Space Station after undocking of STS-132

NASA/Crew of STS-132 · Public domain · Source · ⁨المصدر⁩

04 · Functions Involving Parameters, Vectors, and Matrices

Cedar Point Rougarou cars on loop track (2859)

Bobby Proffer · CC BY-SA 3.0 · Source · ⁨المصدر⁩
EllipticalOrbits

AstroOgier · CC0 · Source · ⁨المصدر⁩

AP Psychology · ⁨علم النفس (AP)⁩

01 · Biological Bases of Behavior

Blausen 0111 BrainLobes

BruceBlaus. When using this image in external sources it can be cited as: Blausen.com staff (2014). "Medical gallery of Blausen Medical 2014". WikiJournal of Medicine 1 (2). DOI:10.15347/wjm/2014.010. ISSN 2002-4436 · CC BY 3.0 · Source · ⁨المصدر⁩
Wired up for a sleep study 02A

Joe Mabel · CC BY-SA 3.0 · Source · ⁨المصدر⁩

AP Statistics · ⁨AP الإحصاء⁩

03 · Collecting Data

Clinical trial

Fatemi.ebr · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Dice (typical role playing game dice)

Stephantom · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Amboy (California, USA), Hist. Route 66 -- 2012 -- 1

Dietmar Rabich · CC BY-SA 4.0 · Source · ⁨المصدر⁩

04 · Probability, Random Variables, and Probability Distributions

Ace playing cards

Enoch Lau · CC BY-SA 3.0 · Source · ⁨المصدر⁩

07 · Inference for Quantitative Data: Means

Dice (typical role playing game dice)

Stephantom · CC BY-SA 3.0 · Source · ⁨المصدر⁩

08 · Inference for Categorical Data: Chi-Square

OpenOffice.org Calc

http://hacktolive.org/ · LGPL · Source · ⁨المصدر⁩

09 · Inference for Quantitative Data: Slopes

Linear regression

Sewaqu · Public domain · Source · ⁨المصدر⁩
Residual plots for linear regression conditions

eXercise project · CC0 · Source · ⁨المصدر⁩

AP United States History · ⁨تاريخ الولايات المتحدة (AP)⁩

01 · Period 1: 1491-1607

Monks Mound - Summer 2024

Skubasteve834 · CC BY 4.0 · Source · ⁨المصدر⁩
Cliff Palace-Colorado-Mesa Verde NP

Tobi 87 · CC BY-SA 4.0 · Source · ⁨المصدر⁩

06 · Period 6: 1865-1898

Bessemer converter Blowing

Borvan53 · Public domain · Source · ⁨المصدر⁩

07 · Period 7: 1890-1945

Assembly line Ford T, 1923

Peter Elfelt · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Dust bowl, Texas Panhandle, TX fsa.8b27276 edit

Arthur Rothstein · Public domain · Source · ⁨المصدر⁩

09 · Period 9: 1980-Present

Container Terminal Tollerort, Vorhafen, Hamburg (P1080405)

Matti Blume · CC BY-SA 4.0 · Source · ⁨المصدر⁩

AP World History: Modern · ⁨تاريخ العالم الحديث (AP)⁩

01 · The Global Tapestry

Great-Zimbabwe-ruins-outer-walls-3-1200

Edwin Smith and Andrew Dale · CC BY-SA 4.0 · Source · ⁨المصدر⁩

02 · Networks of Exchange

Inhambane-dhow

—Steven G. Johnson · CC BY-SA 3.0 · Source · ⁨المصدر⁩

03 · Land-Based Empires

Mezquita de Solimán, Estambul, Turquía, 2024-09-28, DD 147-149 HDR

Diego Delso · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Taj Mahal, Agra, India edit2

Yann; edited by King of Hearts · CC BY-SA 4.0 · Source · ⁨المصدر⁩

04 · Transoceanic Interconnections

Cerro Rico, Potosí, Bolivia

Jbmurray · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Barcelona - Replica of Santa Maria Caravel

Unknown author · Public domain · Source · ⁨المصدر⁩

05 · Revolutions

Boulton & Watt steam engine, Sydney Powerhouse Museum, 2014 (15243331353)

David Maciulaitis from Auckland, New Zealand · CC BY 2.0 · Source · ⁨المصدر⁩

IGCSE Biology · ⁨IGCSE علم الأحياء⁩

01 · Characteristics and classification of living organisms

E. coli bacteria (SEM)

NIAID · CC BY 2.0 · Source · ⁨المصدر⁩
Fly agaric mushroom

Onderwijsgek · CC BY-SA 3.0 nl · Source · ⁨المصدر⁩
Entomologie Hamburg

Hanse hiwi · CC BY-SA 4.0 · Source · ⁨المصدر⁩

02 · Organisation of the organism

Onion epidermis cells (light micrograph, 40x)

loganrickert · CC BY 2.0 · Source · ⁨المصدر⁩
Compound light microscope

GcG(jawp) · Public domain · Source · ⁨المصدر⁩

03 · Movement into and out of cells

Plasmolysis in red onion cells

Trương Minh Khải · CC BY 4.0 · Source · ⁨المصدر⁩
Human blood

Olena Hohulia, Куцик Влада, Кремінь Валентина, Ivanchik Marya · CC BY 4.0 · Source · ⁨المصدر⁩

04 · Biological molecules

Potato starch grains (light micrograph)

MarekMiś · CC BY 4.0 · Source · ⁨المصدر⁩
Fresh made bread 05

FranHogan · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Benedict precipitate 20211012 093950

HunterRSC · CC0 · Source · ⁨المصدر⁩

05 · Enzymes

Detergent - Persil Megaperls 02

Kritzolina · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Kiwi (Actinidia chinensis) 1 Luc Viatour

Luc Viatour · CC BY-SA 2.5 · Source · ⁨المصدر⁩

06 · Plant nutrition

Stomata in a leaf (light micrograph, 400x)

ChrisInMilton · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Sunlight on a green leaf (India, 2016)

Aurr123 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Chloroplasts in moss leaf cells (light micrograph)

Kristian Peters -- Fabelfroh · CC BY-SA 3.0 · Source · ⁨المصدر⁩

07 · Human nutrition

Types of teeth

http://www.scientificanimations.com/ · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Fresh Vegetables display in Iloilo Terminal Public Market 06

OnlyJanz · CC BY-SA 4.0 · Source · ⁨المصدر⁩

08 · Transport in plants

Dicot stem cross-section (light micrograph)

User:Micropix · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Tall oak by Myrstigen

W.carter · CC BY-SA 4.0 · Source · ⁨المصدر⁩

09 · Transport in animals

Blood cells (scanning electron micrograph)

Bruce Wetzel and Harry Schaefer (National Cancer Institute) · Public domain · Source · ⁨المصدر⁩
Dresden, Deutsches Hygiene-Museum, anatomisches Modell, Herz

Dguendel · CC BY 4.0 · Source · ⁨المصدر⁩

10 · Diseases and immunity

White blood cell engulfing bacteria

National Institutes of Health (NIH) · Public domain · Source · ⁨المصدر⁩
Mosquito (Ochlerotatus annulipes) and Midge (Culicoides impunctatus) biting human (me)

Dunpharlain · CC BY-SA 4.0 · Source · ⁨المصدر⁩

11 · Gas exchange in humans

3d model of lungs airways ribs

Eboelen (talk) (Uploads) · CC0 · Source · ⁨المصدر⁩
Respiratory system complete (en)

LadyofHats, Jmarchn · Public domain · Source · ⁨المصدر⁩

12 · Respiration

Finish of sprint running, 1992 Paralympics

Norman Bailey/Australian Paralympic Committee · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Berlin-Marathon 2015 Runners 14

Denis Barthel · CC BY-SA 4.0 · Source · ⁨المصدر⁩

13 · Excretion in humans

Haemodialysis machine

Виталий Поспелов at ru.wikipedia · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Kidney section vertical

Henry Vandyke Carter · Public domain · Source · ⁨المصدر⁩

14 · Coordination and response

Iris Macro, Eye close-up (11622304153)

Matt Ming from Beijing, China · CC BY 2.0 · Source · ⁨المصدر⁩
BrainLobesLabelled

Camazine · CC BY 3.0 · Source · ⁨المصدر⁩
Neuron - Nerve Cell 01

Doctor Jana · CC BY 4.0 · Source · ⁨المصدر⁩

15 · Drugs

Antibiotic sensitivity test

Dr Graham Beards · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Bonus Cigarettes

Antonio Kless · CC BY-SA 4.0 · Source · ⁨المصدر⁩

16 · Reproduction

Pollen grains (SEM)

Asja Radja · CC BY 4.0 · Source · ⁨المصدر⁩
Lily flower: stamens and stigma

Subhrajyoti07 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
A bee on a yellow flower

Iurie Nistor · CC0 · Source · ⁨المصدر⁩

17 · Inheritance

Human karyotype diagram showing autosomes and sex chromosomes - NHGRI

National Human Genome Research Institute (NHGRI) · Public domain · Source · ⁨المصدر⁩
DNA Double Helix by NHGRI

National Human Genome Research Institute · Public domain · Source · ⁨المصدر⁩

18 · Variation and selection

Peppered moth: dark (melanic) form

Chiswick Chap · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Corner of Stockton and Jackson Street, crowd, San Francisco (April 2007)

Jennifer Woodard Maderazo · CC BY 2.0 · Source · ⁨المصدر⁩
Camel in Gobi Desert 01

Bernard Gagnon · CC0 · Source · ⁨المصدر⁩
20180124-OSEC-PJK-1132 TONED (39891696481)

U.S. Department of Agriculture Preston Keres/Office of Communications-Photography Services Center · Public domain · Source · ⁨المصدر⁩

19 · Organisms and their environment

Coral reef ecosystem

Jim E Maragos, U.S. Fish and Wildlife Service · Public domain · Source · ⁨المصدر⁩
African savanna elephants at Saadani National Park Tanzania

Rasheedhrasheed · CC BY-SA 4.0 · Source · ⁨المصدر⁩

20 · Human influences on ecosystems

004 Beach pollution in Tenerife - Atlantic Ocean beach plastic garbage debris

Marek Ślusarczyk (Tupungato) Photo portfolio · CC BY 3.0 · Source · ⁨المصدر⁩
Deforested area, Goldisthal, 2023-05-20

Radomianin · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Giant panda eating bamboo

Kevin Dooley · CC BY 2.0 · Source · ⁨المصدر⁩

21 · Biotechnology and genetic modification

Tanks at Green Leaf brewery

Ruth Hartnup from Vancouver, Canada · CC BY 2.0 · Source · ⁨المصدر⁩
Gel electrophoresis 2

Mnolf · CC BY-SA 3.0 · Source · ⁨المصدر⁩

IGCSE Business Studies · ⁨IGCSE دراسات الأعمال⁩

01 · Understanding business activity

Retail outlets, High Street - geograph.org.uk - 7644448

John Baker · CC BY-SA 2.0 · Source · ⁨المصدر⁩
Bonn, Post-Tower -- 2017 -- 2128 (bw)

Dietmar Rabich · CC BY-SA 4.0 · Source · ⁨المصدر⁩

02 · People in business

Meeting British business representatives (5430620349)

Foreign and Commonwealth Office · OGL v1.0 · Source · ⁨المصدر⁩
Alpha Factory-Sewing Floor 80-90

Alan D Cirker · CC BY 3.0 · Source · ⁨المصدر⁩

03 · Marketing

A John Lewis Partnership shop window (8734849424)

Tyne & Wear Archives & Museums · No restrictions · Source · ⁨المصدر⁩
Times square at night

Rafi B. from Somewhere in Texas :) · CC BY 2.0 · Source · ⁨المصدر⁩

04 · Operations management

Assembly line

Marek Ślusarczyk (Tupungato) Photo portfolio · CC BY 3.0 · Source · ⁨المصدر⁩
Daiwa Logistics Tosu Logistics Center

Peka · CC BY-SA 4.0 · Source · ⁨المصدر⁩
BMW Leipzig MEDIA 050719 Download Karosseriebau max

BMW Werk Leipzig · CC BY-SA 2.0 de · Source · ⁨المصدر⁩

05 · Financial information and decisions

Exterior of a modern Wells Fargo bank branch in Athens, Georgia 01

Harrison Keely · CC BY 4.0 · Source · ⁨المصدر⁩
Andrew Aziz

Bear Bull Traders · CC BY 2.0 · Source · ⁨المصدر⁩
Trading floor of the New York Stock Exchange, New York City LCCN2011632435

Carol M. Highsmith · Public domain · Source · ⁨المصدر⁩

06 · External influences on business activity

Shipping containers at West Harbour in Jätkäsaari, Helsinki, Finland, 2008 October

Kari Hakli · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Brayton Point Cooling Towers

Wikimaster97commons · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Hungarian Parliament Building 1

kallerna · CC BY-SA 4.0 · Source · ⁨المصدر⁩

IGCSE Chemistry · ⁨IGCSE الكيمياء⁩

01 · States of matter

Iodine subliming

Kate7234 · CC0 · Source · ⁨المصدر⁩
Ice cubes openphoto

Darren Hester · CC BY-SA 2.5 · Source · ⁨المصدر⁩
DryIceSublimation

Sarathtly · Public domain · Source · ⁨المصدر⁩

02 · Atoms, elements and compounds

Vanadium crystal bar and 1cm3 cube

Alchemist-hp (pse-mendelejew.de) · FAL · Source · ⁨المصدر⁩
Water-3D-balls-A

Ben Mills · Public domain · Source · ⁨المصدر⁩
Halit (NaCl) - Kopalnia soli Wieliczka, Polska

Lech Darski · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Graphite found near Mautern

Kritzolina · CC BY-SA 4.0 · Source · ⁨المصدر⁩

03 · Stoichiometry

Acid and Base Titration

Kengksn · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Analytical balance mettler ae-260

US DEA · Public domain · Source · ⁨المصدر⁩

04 · Electrochemistry

Electrolysis of water

Rhetos · CC0 · Source · ⁨المصدر⁩
Hofmann'scher Wasserzersetzungsapparat - Deutsches Museum Verkehrszentrum

Mattes · CC BY-SA 3.0 · Source · ⁨المصدر⁩

05 · Chemical energetics

Campfires burning wood pits

Jon Sullivan · Public domain · Source · ⁨المصدر⁩
Bunsen burner flame types

Arthur Jan Fijałkowski · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Bunsen burner flame types

Arthur Jan Fijałkowski · CC BY-SA 3.0 · Source · ⁨المصدر⁩

06 · Chemical reactions

Rust on iron

Laitr Keiows · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Potassium permanganate solutions 2

Leiem · CC BY-SA 4.0 · Source · ⁨المصدر⁩

07 · Acids, bases and salts

Copper sulphate (48723408188)

Auckland Museum Collections from Auckland, Aotearoa New Zealand · CC BY 2.0 · Source · ⁨المصدر⁩
Blue and red litmus paper

Meganbeckett27 · CC BY-SA 3.0 · Source · ⁨المصدر⁩
PH Test Strips

Ajay Kumar Chaurasiya · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Limestone Cliffs, Little Ormes Head - geograph.org.uk - 7808316

N Chadwick · CC BY-SA 2.0 · Source · ⁨المصدر⁩

08 · The Periodic Table

Potassium reacting with water

Tavoromann · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Periodic table HMNS

Ed Uthman, Houston, Texas, USA · CC BY 3.0 · Source · ⁨المصدر⁩
Coloured-transition-metal-solutions

No machine-readable author provided. Benjah-bmm27 assumed (based on copyright claims) · Public domain · Source · ⁨المصدر⁩
Edelgase in Entladungsroehren

Alchemist-hp www.pse-mendelejew.de · CC BY-SA 2.0 de · Source · ⁨المصدر⁩

09 · Metals

Rusted iron chain

MX1996 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Cathay Pacific A350-941 preparing to takeoff on runway 25L@HKG

BenYung0531 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Rusted top edge grey heavily worn deteriorating grubby grungy aged metal surface texture

Sisters.seamless · CC0 · Source · ⁨المصدر⁩
Copper (29 Cu)

Hi-Res Images of Chemical Elements · CC BY 3.0 · Source · ⁨المصدر⁩

10 · Chemistry of the environment

Inside a catalytic converter

Cyrogigabyte · CC0 · Source · ⁨المصدر⁩
Smog over Almaty

Igors Jefimovs · CC BY 3.0 · Source · ⁨المصدر⁩

11 · Organic chemistry

Anacortes Refinery 31911

Walter Siegmund (talk) · CC BY 2.5 · Source · ⁨المصدر⁩
004 Beach pollution in Tenerife - Atlantic Ocean beach plastic garbage debris

Marek Ślusarczyk (Tupungato) Photo portfolio · CC BY 3.0 · Source · ⁨المصدر⁩

12 · Experimental techniques and chemical analysis

Paper chromatography

Yuliiaoleksii · CC BY 4.0 · Source · ⁨المصدر⁩
Acid-base titration

Alina.Popova.26 · CC BY 4.0 · Source · ⁨المصدر⁩

IGCSE Computer Science · ⁨IGCSE علوم الحاسوب⁩

01 · Data representation

Die (the 'heart') of a microprocessor Intel 80486 with 1.2 millions of transistors, ca. 1990

Thomy pc at German Wikipedia · Public domain · Source · ⁨المصدر⁩
Binary-code

Graph+sas · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Hard disk platters and head

Mfield, Matthew Field, http://www.photography.mattfield.com · CC BY-SA 3.0 · Source · ⁨المصدر⁩

02 · Data transmission

USB connectors

Techtonic · Public domain · Source · ⁨المصدر⁩
An Ethernet cable

No machine-readable author provided. David.Monniaux assumed (based on copyright claims) · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Fiber optic illuminated

Hustvedt · CC BY-SA 3.0 · Source · ⁨المصدر⁩

03 · Hardware

Inside a hard disk drive

Zzubnik · Public domain · Source · ⁨المصدر⁩
A solid state drive

PantheraLeo1359531 · CC BY 4.0 · Source · ⁨المصدر⁩
An optical disc

· Public domain · Source · ⁨المصدر⁩
A USB flash drive

Dmitry Makeev · CC BY-SA 4.0 · Source · ⁨المصدر⁩
A magnetic tape cartridge

Mister rf · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Logitech K120 USB keyboard

Logitech · Product image · Source · ⁨المصدر⁩
Logitech M100 optical mouse

Logitech · Product image · Source · ⁨المصدر⁩
Honeywell Voyager 1250g barcode scanner

Honeywell · Product image · Source · ⁨المصدر⁩
Epson Perfection V39 II flatbed scanner

Epson · Product image · Source · ⁨المصدر⁩
Brother HL-L2400D laser printer

Brother · Product image · Source · ⁨المصدر⁩
Bambu Lab X1 Carbon with AMS module (cropped)

Benlisquare · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Canon PIXMA TS3520 inkjet printer

Canon · Product image · Source · ⁨المصدر⁩
Logitech Z313 computer speakers

Logitech · Product image · Source · ⁨المصدر⁩
Samsung 24-inch monitor

Samsung · Product image · Source · ⁨المصدر⁩
Logitech Yeti USB microphone

Logitech · Product image · Source · ⁨المصدر⁩
Logitech H390 headset

Logitech · Product image · Source · ⁨المصدر⁩
Samsung Galaxy Tab A9 tablet

Samsung · Product image · Source · ⁨المصدر⁩
Corsair Vengeance DDR5 RAM module

Corsair · Product image · Source · ⁨المصدر⁩
Intel CPU Core i7 6700K Skylake top

Eric Gaba (Sting - fr:Sting) · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Electronic-Component-Screw-DC-Motor

Evan-Amos · Public domain · Source · ⁨المصدر⁩
AM2302 (DHT22) digital temperature and humidity sensor module

Suyash Dwivedi · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Navigon Canada 310 - board-40222

Raimond Spekking · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Nikon D850 digital single-lens reflex camera

G1MFG · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Datacenter Server Racks (22370909788)

Carl Lender from Sunrise, USA · CC BY 2.0 · Source · ⁨المصدر⁩
Netgear-Nighthawk-AC1900-WiFi-Router

Evan-Amos · Public domain · Source · ⁨المصدر⁩

04 · Software

Computer motherboard 6

Kurt Kaiser · CC0 · Source · ⁨المصدر⁩
Fedora 33 with its default desktop environment (GNOME 3.38) and background

GNOME · GPL · Source · ⁨المصدر⁩
Screen-python-code-matplotlib-physics-simulation

MikeRun · CC BY-SA 4.0 · Source · ⁨المصدر⁩

05 · The internet and its uses

A home Wi-Fi router

Evan-Amos · Public domain · Source · ⁨المصدر⁩
A data centre

BalticServers.com · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Padlock 7642

ImagePerson · CC BY-SA 4.0 · Source · ⁨المصدر⁩

06 · Automated and emerging technologies

An industrial robot arm

Нечаева Лилия Александровна · CC BY-SA 4.0 · Source · ⁨المصدر⁩
A drone

Josh Sorenson · CC0 · Source · ⁨المصدر⁩
Mi Robot Vacuum

Popey900 · Copyrighted free use · Source · ⁨المصدر⁩
Waymo Jaguar I-Pace - Side View 01

9yz · CC BY 4.0 · Source · ⁨المصدر⁩

07 · Topic 07

programmer

hackNY · CC BY-SA 2.0 · Source · ⁨المصدر⁩

08 · Programming

Screen-python-code-matplotlib-physics-simulation

MikeRun · CC BY-SA 4.0 · Source · ⁨المصدر⁩
168 pin and 184 pin DIMM

Veeblefetzer · CC BY 4.0 · Source · ⁨المصدر⁩

09 · Databases

Schlagwortkatalog

Dr. Marcus Gossler · CC BY-SA 3.0 · Source · ⁨المصدر⁩
NOIRLab HQ Server Racks (6V6A0395-CC)

NOIRLab/NSF/AURA/T. Slovinský · CC BY 4.0 · Source · ⁨المصدر⁩

10 · Boolean logic

A logic gate chip

S. Kaba · Public domain · Source · ⁨المصدر⁩
ESP-01 WiFi Breadboard Project

RetroEditor · CC BY-SA 4.0 · Source · ⁨المصدر⁩

IGCSE Economics · ⁨IGCSE الاقتصاد⁩

01 · The basic economic problem

DFC 2094 Evening buzz at a busy night market - food stalls colorful lights and people strolling through the crowded aisle

PattayaPatrol · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Farmland near Bradeley Green in Cheshire - geograph.org.uk - 5271496

Roger Kidd · CC BY-SA 2.0 · Source · ⁨المصدر⁩

02 · The allocation of resources

Factory smoke in sunset - geograph.org.uk - 1769920

Nic Franklin-Woolley · CC BY-SA 2.0 · Source · ⁨المصدر⁩
Andrew Aziz

Bear Bull Traders · CC BY 2.0 · Source · ⁨المصدر⁩

03 · Microeconomic decision-makers

SPAR kolonial mat varehandel hyller (Supermarket interior GROCERY store aisle shelves) Frokostblandinger gryn müsli Axa frukt energi 4-korn blåbær (cereals muesli) etc Tjøme NORWAY 2023-08-31 IMG 1095

Wolfmann · CC BY-SA 4.0 · Source · ⁨المصدر⁩
001 Car factory assembly line - Opel factory in Gliwice, Poland

Marek Ślusarczyk (Tupungato) Photo portfolio · CC BY 3.0 · Source · ⁨المصدر⁩
08 Philippine peso PHP currency - banknotes and coins of Philippine money

Marek Ślusarczyk (Tupungato) Photo portfolio · CC BY 3.0 · Source · ⁨المصدر⁩

04 · Government and the macroeconomy

People's Bank of China (2006-02-18)

Yongxinge (Wikimedia Commons) · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Shanghai skyline waterfront pudong 5166168 69 70

Ermell · CC0 · Source · ⁨المصدر⁩
Vatican Museum Queue - April 2007

Diliff · CC BY-SA 3.0 · Source · ⁨المصدر⁩

05 · Economic development

Favelascape - Flickr - eflon

eflon from Ithaca, NY · CC BY 2.0 · Source · ⁨المصدر⁩
1 singapore city skyline dusk panorama 2011

chenisyuan · CC BY-SA 4.0 · Source · ⁨المصدر⁩

06 · International trade and globalisation

Container port

H. Zell · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Port bow view of the Russian merchant container ship CHITA underway. The ship has numerous commercial vehicles as deck cargo - DPLA - e120d3e0e4cf053032385cc8b2eca1fe

Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994 · Public domain · Source · ⁨المصدر⁩

IGCSE English · ⁨IGCSE اللغة الإنجليزية⁩

01 · Reading skills

Departure board at Geneva Airport

Tiia Monto · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Close-up of a woman reading a book

Shixart1985 · CC BY 2.0 · Source · ⁨المصدر⁩

02 · Writing: purpose, audience and accuracy

Person writing in a notebook while sitting at a desk

Shixart1985 · CC BY 2.0 · Source · ⁨المصدر⁩

03 · Writing an informal email

Person writing in notebook while using laptop at a modern workspace

Shixart1985 · CC BY 2.0 · Source · ⁨المصدر⁩
Berkawan dalam kesukaan

Yaradina · CC BY-SA 4.0 · Source · ⁨المصدر⁩

04 · Writing a formal letter or email

Handwritten Letter of Resignation

CIPHR Connect · CC BY 2.0 · Source · ⁨المصدر⁩
Clean minimalist office (Unsplash)

Roman Bozhko romanbozhko · CC0 · Source · ⁨المصدر⁩

05 · Writing a report

Carlisle Indian School, Carlisle, Pa. Classroom debate by debating society LCCN2008675522

Johnston, Frances Benjamin, 1864-1952, photographer · Public domain · Source · ⁨المصدر⁩
Person writing in notebook while using laptop at a modern workspace

Shixart1985 · CC BY 2.0 · Source · ⁨المصدر⁩

06 · Writing an article

Front Page of 2025 Atmore Advance

JMMediaGroup1 · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Newspapers on a newsstand

Maksym Kozlenko · CC BY-SA 4.0 · Source · ⁨المصدر⁩

07 · Writing a review

Theatre of young audience (16134553769)

Andrey Shalaev · CC BY 2.0 · Source · ⁨المصدر⁩
Earls Kitchen and Bar Miami Worldcenter Interior

KTamburello · CC BY 4.0 · Source · ⁨المصدر⁩

08 · Writing an essay

Rammohun Library and Free Reading Room - Rare Books Collection (1)

Sumitsurai · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Person writing in a notebook while sitting at a desk

Shixart1985 · CC BY 2.0 · Source · ⁨المصدر⁩

09 · Listening skills

Radio WWOZ New Orleans studio October 2009 01

Infrogmation of New Orleans · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Students of Mary Lauren Brown in conversation about Bullying

Foundation Digital Schools Liberia · CC0 · Source · ⁨المصدر⁩

10 · Speaking skills

Don Young speaking at Juneau-Douglas High School, 1972-1973 school year

Juneau-Douglas High School (or student class/group of the school), Juneau, Alaska · Public domain · Source · ⁨المصدر⁩
Students of Mary Lauren Brown in conversation about Bullying

Foundation Digital Schools Liberia · CC0 · Source · ⁨المصدر⁩

11 · Vocabulary and text types

Compact Oxford English Dictionary 2

Cullen328 · CC BY-SA 4.0 · Source · ⁨المصدر⁩

IGCSE Mathematics · ⁨IGCSE الرياضيات⁩

01 · Number

Andromeda Galaxy (with h-alpha)

Adam Evans · CC BY 2.0 · Source · ⁨المصدر⁩
Sale sign in the shopping mall. Discount tag. Bangkok. (48087867208)

Artem Beliaikin from Moscow, Russia · CC BY 2.0 · Source · ⁨المصدر⁩

02 · Algebra and graphs

Romanesco broccoli fractals

Jon Sullivan · Public domain · Source · ⁨المصدر⁩
Kangji Suspension Bridge under clear sky on 16 January 2015

Jason · CC BY 2.0 · Source · ⁨المصدر⁩

03 · Coordinate geometry

Sustenpass, Kanton Uri

Philipp Ramseier · CC BY-SA 4.0 · Source · ⁨المصدر⁩
2010-365-251 The Bronx aerial view (4972664239)

cogdogblog · CC BY 2.0 · Source · ⁨المصدر⁩

04 · Geometry

Symmetry of the Taj Mahal, Agra

Jonathan Freundlich · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Matryoshka from Hungary

Wilfredor · CC0 · Source · ⁨المصدر⁩
Honeycomb - Flickr - Bistrosavage

Doug Bowman from DeKalb IL, USA · CC BY 2.0 · Source · ⁨المصدر⁩

05 · Mensuration

All Gizah Pyramids

Ricardo Liberato · CC BY-SA 2.0 · Source · ⁨المصدر⁩
Shipping container stacks - Port of Rotterdam - 2017 - 5

AgainErick · CC BY-SA 4.0 · Source · ⁨المصدر⁩

06 · Trigonometry

Tour Eiffel - 20150801 15h30 (10621)

Another one of my pictures: This photograph was taken by Medium69 (William Crochot) and released under the license stated below. You are free to use it for any purpose as long as you credit the author (William Crochot), the Source (Wikimedia Commons) and the license (CC-BY-SA 4.0) in close relation to the image. Please do not upload an updated image here without consultation with the Author. The author would like to make corrections only at his own source RAW. This ensures that the changes are preserved.Please if you think that any changes should be required, please inform the author.Otherwise you can upload a new image with a new name. Please use one of the templates derivative or extract · CC BY-SA 4.0 · Source · ⁨المصدر⁩
London Eye at sunset 2013-07-19

Bob Collowan · CC BY-SA 3.0 · Source · ⁨المصدر⁩

07 · Transformations and vectors

Sailboat with spinnaker 17RM0454

Ermell · CC BY-SA 4.0 · Source · ⁨المصدر⁩
WLA vanda Tiles with repeat pattern

Wikipedia Loves Art participant "VeronikaB" · CC BY 2.5 · Source · ⁨المصدر⁩

08 · Probability

Dice (typical role playing game dice)

Diacritica · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Roulette wheel (5276348473)

Håkan Dahlström from Malmö, Sweden · CC BY 2.0 · Source · ⁨المصدر⁩

09 · Statistics

Galton box

Exhibit made by Estes Objethos Atelier, photo by Rodrigo.Argenton · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Crowd of People at Ridge, Shimla

Shimla Deities · CC BY 4.0 · Source · ⁨المصدر⁩

IGCSE Physics · ⁨IGCSE الفيزياء⁩

01 · Motion, forces and energy

Windmills D1-D4 (Thornton Bank)

Hans Hillewaert · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Cedar Point Rougarou cars on loop track (2859)

Bobby Proffer · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Hoover Dam, Nevada (Arizona-Nevada, USA), Staumauer -- 2012 -- 6102

Dietmar Rabich · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Analytical balance mettler ae-260

US DEA · Public domain · Source · ⁨المصدر⁩
Glacial iceberg in Argentina

IlyaHaykinson · CC BY 2.0 · Source · ⁨المصدر⁩

02 · Thermal physics

Mano en el espectro visible y en el infrarrojo térmico

Amfeli · CC BY 4.0 · Source · ⁨المصدر⁩
Steam-boiling green asparagus

W.carter · CC0 · Source · ⁨المصدر⁩
2023 Termometr kuchenny

Jacek Halicki · CC BY-SA 4.0 · Source · ⁨المصدر⁩

03 · Waves

DispersionPrisme

Kilohn limahn · CC BY-SA 4.0 · Source · ⁨المصدر⁩
A bunch of optic fibres made of plastic

Amangeldyurazov · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Convex lens (magnifying glass) and upside-down image

AntanO · CC BY-SA 4.0 · Source · ⁨المصدر⁩
USB microphone

Logitech · Product image · Source · ⁨المصدر⁩
Reflection of waves observed using a ripple tank.

Psgs123xyz (talk) (Uploads) · CC0 · Source · ⁨المصدر⁩

04 · Electricity and magnetism

Magnetic field pattern

Maciej J. Mrowinski · CC BY-SA 4.0 · Source · ⁨المصدر⁩
Pole mounted Transformer

Bidgee · CC BY 3.0 · Source · ⁨المصدر⁩
RCD Protection Consumer Dual Split-Load

Evry Electrical · CC BY 4.0 · Source · ⁨المصدر⁩
U.S. Department of Energy - Science - 271 031 001 (23897761873)

U.S. Department of Energy from United States · Public domain · Source · ⁨المصدر⁩
Logarex smart household electricity meter build year 2023

RobbieIanMorrison · CC BY 4.0 · Source · ⁨المصدر⁩
Commutator and brushes DC motor

Christian Kral · CC BY 4.0 · Source · ⁨المصدر⁩
Raitersaich SK DSC 0028

Simon Koopmann · CC BY-SA 3.0 de · Source · ⁨المصدر⁩
3 Resistors

Afrank99 · CC BY-SA 2.5 · Source · ⁨المصدر⁩

05 · Nuclear physics

Doel nuclear power plant

Ad Meskens · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Capt. Candice Adams Ismirle waits to receive a radiation treatment Oct. 22, 2013, at Walter Reed National Military Medical Center in Bethesda, Md

Staff Sgt. Russ Scalf · Public domain · Source · ⁨المصدر⁩
Portable Geiger counter Berthold LB122-02

Lilly_M · CC BY-SA 3.0 · Source · ⁨المصدر⁩

06 · Space physics

The Sun

NASA/SDO (AIA) · Public domain · Source · ⁨المصدر⁩
Saturn

NASA / JPL / Space Science Institute · Public domain · Source · ⁨المصدر⁩
Jupiter

NASA Hubble · CC BY 2.0 · Source · ⁨المصدر⁩
Mars

ESA & MPS for OSIRIS Team MPS/UPD/LAM/IAA/RSSD/INTA/UPM/DASP/IDA, CC BY-SA 3.0 IGO · CC BY-SA 3.0 igo · Source · ⁨المصدر⁩
Whirlpool Galaxy

NASA and European Space Agency · Public domain · Source · ⁨المصدر⁩
FullMoon2010

Gregory H. Revera · CC BY-SA 3.0 · Source · ⁨المصدر⁩
Laser Towards Milky Ways Centre

ESO/Yuri Beletsky (ybialets at eso.org) · CC BY 4.0 · Source · ⁨المصدر⁩
Oldest Light in the Universe (SVS30133)

NASA's Scientific Visualization Studio - Marit Jentoft-Nilsen, Global Science and Technology, Inc./Mark Malanoski · Public domain · Source · ⁨المصدر⁩
HL Tau protoplanetary disk

ALMA (ESO/NAOJ/NRAO) · CC BY 4.0 · Source · ⁨المصدر⁩
ISS Aug2005

NASA · Public domain · Source · ⁨المصدر⁩

English Grammar · A1 · ⁨قواعد اللغة الإنجليزية · A1⁩

08 · Topic 08

Full English breakfast at the Chalet Cafe, Cowfold, West Sussex, England

Acabashi · CC BY-SA 4.0 · Source · ⁨المصدر⁩

English Grammar · A2 · ⁨قواعد اللغة الإنجليزية · A2⁩

02 · Topic 02

Senior person reading a book indoors closeup

Nenad Stojkovic · CC BY 4.0 · Source · ⁨المصدر⁩

09 · Topic 09

DFC 2099 A bustling market stall piled high with bright green grapes and other fresh fruit as a vendor hands a bag to a customer - a colorful scene of everyday produce trade

PattayaPatrol · CC BY-SA 4.0 · Source · ⁨المصدر⁩

Python Reference · ⁨مرجع بايثون⁩

16 · Computing concepts

Internet map 1024

The Opte Project · CC BY 2.5 · Source · ⁨المصدر⁩

Data sources · ⁨مصادر البيانات⁩

HSK vocabulary — English / Chinese trainer · ⁨مفردات HSK — مدرب إنجليزي / صيني⁩

Word lists & pinyin: · ⁨قوائم الكلمات والباينيين:⁩ complete-hsk-vocabulary (MIT). Definitions from · ⁨التعريفات من⁩ CC-CEDICT, CC BY-SA 4.0.
Chinese Reading — news reader · ⁨قراءة الصينية — قارئ الأخبار⁩

Per-word pinyin & English glosses from · ⁨الباينيين لكل كلمة والتعليقات الإنجليزية من⁩ CC-CEDICT (CC BY-SA 4.0), segmented with · ⁨مجزوءة بواسطة⁩ jieba. Headlines & articles are fetched live from their news sources and shown for language learning; all rights remain with the original publishers. · ⁨العناوين والمقالات يتم جلبها مباشرة من مصادر أخبارها وعرضها لأغراض تعلم اللغة؛ جميع الحقوق محفوظة للمؤلفين الأصليين.⁩

Simulations · ⁨محاكاة⁩

The interactive simulations linked from the Learn and Know pages are by PhET Interactive Simulations, University of Colorado Boulder, used under CC BY 4.0. · ⁨المحاكاة التفاعلية المرتبطة من صفحات Learn and Know هي لـ PhET Interactive Simulations، جامعة كولورادو بولدر، مستخدمة بموجب ترخيص CC BY 4.0.⁩