Image credits

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.

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A-Level Biology

01 · Cell structure

Animal cell structure

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

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

Mariana Ruiz (LadyofHats) · Public domain · Source

02 · Biological molecules

Benedict's test for Sugars

Thebiologyprimer · CC0 · Source

03 · Enzymes

Rising bubbles from yeast fermentation

Jim Champion · CC BY-SA 2.0 · Source
Plastic spoon n Laundry detergent n Washing powder in white

Lebacno · CC BY-SA 3.0 · Source

04 · Cell membranes and transport

SEM blood cells

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

Knowledge genome · CC BY-SA 4.0 · Source

05 · The mitotic cell cycle

Onion skin mitosis (20x)

UAF Center for Distance Education · CC BY 2.0 · Source

06 · Nucleic acids and protein synthesis

Space-filling model of the DNA double helix

Ude · Public domain · Source
DNA Extraction

Joo Nath · CC BY-SA 4.0 · Source

07 · Transport in plants

Vascular bundle in a young sunflower stem

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

Vijayanrajapuram · CC BY-SA 4.0 · Source

08 · Transport in mammals

Diagram of the human heart

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

Keith Chambers · CC BY-SA 3.0 · Source

09 · Gas exchange

Normal lung tissue

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

Courtesy of NIAID Ryan Kissinger · Public domain · Source

10 · Infectious diseases

Acid-fast bacilli of Mycobacterium tuberculosis

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

MichaelZahniser · Public domain · Source

11 · Immunity

A neutrophil engulfing bacteria

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

Keith Chambers · CC BY-SA 3.0 · Source

12 · Energy and respiration

800metresOlympicTrials2020

jenaragon94 · CC BY 2.0 · Source

13 · Photosynthesis

Green leaves (7914624332)

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

Cimice50 · CC BY-SA 4.0 · Source

14 · Homeostasis

(20250417) Blood glucose meter 04

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

Spc. Tyler Meister · Public domain · Source

15 · Control and coordination

Stained neurones under the microscope

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

Department of Radiology, Uppsala University Hospital. Uploaded by Mikael Häggström · CC0 · Source

16 · Inheritance

Human karyotype

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

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

17 · Selection and evolution

Peppered moth forms

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

· CC BY-SA 2.0 · Source

18 · Classification, biodiversity and conservation

A coral reef on the Great Barrier Reef

Toby Hudson · CC BY-SA 3.0 · Source
CSIRO ScienceImage 1332 Pinned Insect Specimens

division, CSIRO · CC BY 3.0 · Source

19 · Genetic technology

Agarose gel under UV

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

Juan Carlos Fonseca Mata · CC BY-SA 4.0 · Source

vocab · Vocabulary trainer images

File:Heart numlabels.svg

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Timothy Knepp, U.S. Fish and Wildlife Service · Public domain · Source
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
File:Neuron figure fr.png

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

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

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

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

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

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

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

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

Jmarchn · CC BY-SA 3.0 · Source
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
File:Urtica dioica leaf cross section micrograph.zip.jpg

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

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

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

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

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

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

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

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

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

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

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

Ajay Kumar Chaurasiya · CC BY-SA 4.0 · Source

A-Level Business

01 · Business and its environment

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

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

John Baker · CC BY-SA 2.0 · Source

02 · Human resource management

Meeting British business representatives (5430620349)

Foreign and Commonwealth Office · OGL v1.0 · Source

03 · Marketing

A John Lewis Partnership shop window (8734849424)

Tyne & Wear Archives & Museums · No restrictions · Source
Shibuya Crossing

Landry Miguel · CC BY-SA 4.0 · Source

04 · Operations management

Assembly line

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

Peka · CC BY-SA 4.0 · Source

05 · Finance and accounting

Market centre in Tokyo stock exchange

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

Harrison Keely · CC BY 4.0 · Source

06 · Business and its environment (A Level)

McDonalds Golden Arches

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

Kari Hakli · CC BY-SA 4.0 · Source

07 · Human resource management (A Level)

UK-India Business Leaders Climate Group (5177859641)

Foreign and Commonwealth Office · OGL v1.0 · Source

08 · Marketing (A Level)

Times Square (23307389095)

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

ProtoKiwi · CC BY-SA 4.0 · Source

09 · Operations management (A Level)

Factory Automation Robotics Palettizing Bread

KUKA Roboter GmbH, Bachmann · Public domain · Source

10 · Finance and accounting (A Level)

Federal Reserve Bank, Richmond, Virginia

Ben Schumin · CC BY-SA 3.0 · Source

A-Level Chemistry

01 · Atomic structure

Hydrogen spectrum visible

McZusatz (talk) · CC0 · Source
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

02 · Atoms, molecules and stoichiometry

Analytical balance & old weighing scales

Делфина · CC BY-SA 4.0 · Source
Laboratoř titrace

Milda 444 · CC BY-SA 4.0 · Source

03 · Chemical bonding

Halite (rock salt) crystal

Didier Descouens · CC BY-SA 4.0 · Source
Halit-kolejny

Lestat (Jan Mehlich) · CC BY-SA 2.5 · Source
The model of Water

山本海行 · CC BY-SA 4.0 · Source

04 · States of matter

Steam-boiling green asparagus

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

Stephanie Clifford from Arlington, VA, USA · CC BY 2.0 · Source

05 · Chemical energetics

Bunsen burner

OKWE DARIOUS · CC BY-SA 4.0 · Source
Daiso instant cold pack 300g

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

06 · Electrochemistry

AA VARTA battery-side PNr°0782

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

Laitr Keiows · CC BY-SA 3.0 · Source

07 · Equilibria

Fertilizer Factory, Hamhung (14295135281)

Uri Tours · CC BY-SA 2.0 · Source
Cobalt(II) chloride solutions

Leiem · CC BY-SA 4.0 · Source

08 · Reaction kinetics

Photo of catalytic converters seized during Operation Heavy Metal

Unknown authorUnknown author · Public domain · Source

09 · The Periodic Table: chemical periodicity

Periodic table HMNS

Ed Uthman, Houston, Texas, USA · CC BY 3.0 · Source

10 · Group 2

Magnesium ribbon burning

Capt. John Yossarian · CC BY-SA 3.0 · Source
White Limestone Cliffs at Snake Bends on the Skell - geograph.org.uk - 83731

Heather Holdridge · CC BY-SA 2.0 · Source

11 · Group 17

Silver halide precipitates

Rrausch1974 · CC BY-SA 3.0 · Source
Bromine in a vial

W. Oelen · CC BY-SA 3.0 · Source
Swimming Pool in a hotel in Tamil Nadu 03

Kritzolina · CC BY-SA 4.0 · Source

12 · Nitrogen and sulfur

Fertilizer Factory, Hamhung (14295135281)

Uri Tours · CC BY-SA 2.0 · Source
Smog boven mexico city november 1985

NASA · Public domain · Source

13 · An introduction to AS Level organic chemistry

The model of Water

山本海行 · CC BY-SA 4.0 · Source
Crude oil

Glasbruch2007 · CC BY-SA 3.0 · Source

14 · Hydrocarbons

Gas stove blue flames

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

Walter Siegmund (talk) · CC BY 2.5 · Source

15 · Halogen compounds

Liebig condensation

Aleksander Sobolewski · CC BY-SA 4.0 · Source
Lata de spray congelante

Nave do Conhecimento · CC0 · Source

16 · Hydroxy compounds

Fraktionierte Destillation - Laboratory Fractional distillation apparatus

Chemie-Verbände Baden-Württemberg · CC BY 2.0 · Source
Hand-sanitizer in a restaurant

Maryamarce · CC BY-SA 4.0 · Source

17 · Carbonyl compounds

Tollensprobe

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

Kaushik Narasimhan · CC BY 2.0 · Source

18 · Carboxylic acids and derivatives

Synthetic vinegar bottles

Sgroey · CC BY-SA 4.0 · Source
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

19 · Nitrogen compounds

Jana nylon stockings in packaging

Bevaringstenestene / Museumssenteret i Hordaland · CC BY-SA 4.0 · Source

20 · Polymerisation

Polyethylene balls5

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

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

21 · Organic synthesis

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

BlankEclair · CC BY-SA 4.0 · Source

22 · Analytical techniques

BrukerDaltonics maXis1

Mike25 Michael Willett · Public domain · Source
FTIR spectrometer

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

23 · Chemical energetics

Halite (Great Salt Lake Desert, Utah, USA) 1

James St. John · CC BY 2.0 · Source
Daiso instant cold pack 300g

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

24 · Electrochemistry

Hofmann'scher Wasserzersetzungsapparat - Deutsches Museum Verkehrszentrum

Mattes · CC BY-SA 3.0 · Source
Molde cromado, para máxima abrasión.

Galvaten · CC BY-SA 4.0 · Source

25 · Equilibria

PH Test Strips

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

Jacek Halicki · CC BY-SA 4.0 · Source

26 · Reaction kinetics

Catalysts

Shubhrapdil · CC BY-SA 4.0 · Source
Gas syringe

User:Geni · CC BY-SA 3.0 · Source

27 · Group 2

LimestoneKilnsTalybont

Martinvl · CC BY-SA 4.0 · Source
Idrossido di rame

Alvy16 · CC BY 4.0 · Source

28 · Chemistry of transition elements

Coloured-transition-metal-solutions

No machine-readable author provided. Benjah-bmm27 assumed (based on copyright claims) · Public domain · Source
Gemstone Collection - Ruby Crystal (16254628702)

Marco Hazard from Hong Kong, Hong Kong · CC BY-SA 2.0 · Source

30 · Hydrocarbons

White coloured mothball (naphthalene ball) 20230315 180901

Wiki Farazi · CC0 · Source

31 · Halogen compounds

SPRAYING PESTICIDES - NARA - 544246 (cropped)

John Messina · Public domain · Source

32 · Hydroxy compounds

Bar of carbolic soap

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

Rillke · CC BY-SA 3.0 · Source

33 · Carboxylic acids and derivatives

Lemon - whole and split

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

Ragesoss · CC BY-SA 4.0 · Source

34 · Nitrogen compounds

Methyl-orange-sample

Ben Mills · Public domain · Source
Paracetamol 650

Dineshkumar Nallaveerappan · CC BY-SA 4.0 · Source

35 · Polymerisation

Nailoni süntees 2

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

Grendelkhan · CC BY-SA 4.0 · Source

37 · Analytical techniques

Bruker 300 MHz NMR Spectrometer

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

Ikramul Hasan Imran · CC BY 4.0 · Source

A-Level Computer Science

01 · Information representation

Single-digit seven-segment LED display

The Pi Hut · Product image · Source
Abacus actually in use at kimono shop in Otaru

Syced · CC0 · Source

02 · Communication

TP-Link TL-SG105 5-port gigabit switch

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

Cable Matters · Product image · Source

03 · Hardware

Opened hard disk drive

Zzubnik · Public domain · Source
Inside an SSD

Michael Bemmerl · CC BY 3.0 de · Source
Computer monitor

Dell · Product image · Source
Wireless mouse

Logitech · Product image · Source
Computer keyboard

Logitech · Product image · Source
DDR5 RAM module

Corsair · Product image · Source
Epson Perfection flatbed scanner

Epson · Product image · Source
Laser printer

Brother · Product image · Source
FDM 3D printer

Creality · Product image · Source
USB microphone

Logitech · Product image · Source
Stepper motor

Adafruit · Product image · Source
External optical disc drive

ASUS · Product image · Source
Meta Quest 3 VR headset

Meta · Product image · Source
Thermistor

SparkFun · Product image · Source
Touch monitor

Dell · Product image · Source

04 · Processor Fundamentals

CPU chip

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

Smial (talk) · FAL · Source

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
OnePlus Nord smartphone displaying Android home screen

Gannu03 · CC BY-SA 4.0 · Source

06 · Security, privacy and data integrity

DigitalPersona U.are.U 4500 fingerprint reader

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

RSA Security · Product image · Source

07 · Ethics and Ownership

CCTV control room monitor wall

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

AvWijk · Public domain · Source

08 · Databases

EFTA00000041 - Cluttered office storage area featuring black filing cabinets hanging folders a FedEx package and various boxes

Federal Bureau of Investigation · Public domain · Source
Hard Drive Icon (rubin-A-stack-of-hard-drives-Servers-front-view)

RubinObs/NOIRLab/SLAC/NSF/DOE/AURA/J. Pinto · CC BY 4.0 · Source

09 · Algorithm Design and Problem-solving

Jigsaw puzzle in progress

Balise42 · CC BY-SA 4.0 · Source

11 · Programming

Java code demonstrating source-code abilities

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

Crew crew · CC0 · Source

12 · Software Development

WMF Mobile Apps team Stand-up Meeting

Awjrichards · CC BY-SA 3.0 · Source
Flowchart Program

Mistervip.wa · CC BY-SA 4.0 · Source

14 · Communication and internet technologies

TP-Link Archer AX55 Wi-Fi 6 router

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

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

NETGEAR · Product image · Source
Fiber Optical Cable

Bquast · CC0 · Source
ASTRA2Connect Dish

Satbuff at English Wikipedia · Public domain · Source

15 · Hardware and Virtual Machines

CPU cooler

osman gucel · CC BY 2.0 · Source
Server racks

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

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

ASUS · Product image · Source

16 · System Software

Prozessorkuehler komponenten IMGP5332 wp

smial (talk) · FAL · Source
168 pin and 184 pin DIMM

Veeblefetzer · CC BY 4.0 · Source

17 · Security

YubiKey 5 NFC hardware security key

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

Andy Li · CC0 · Source

18 · Artificial Intelligence (AI)

Self-driving car

Dllu · CC BY 4.0 · Source
Humanoid robot

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

Mixabest · CC BY-SA 3.0 · Source

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

A-Level Economics

01 · Basic economic ideas and resource allocation

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

Jet6581 · CC BY-SA 3.0 · Source
001 Car factory assembly line - Opel factory in Gliwice, Poland

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

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
Ingo petrol station Fårösund July 01

Arild Vågen · CC BY-SA 4.0 · Source

03 · Government microeconomic intervention

Bonus Cigarettes

Antonio Kless · CC BY-SA 4.0 · Source
Brayton Point Cooling Towers

Wikimaster97commons · CC BY-SA 3.0 · Source

04 · The macroeconomy

Central Business District skyline, Singapore, at night

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

Nick-D · CC BY-SA 4.0 · Source

05 · Government macroeconomic intervention

Bank of England Building, London, UK - Diliff

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

kallerna · CC BY-SA 4.0 · Source

06 · International economic issues

Container port

Trougnouf · CC BY 4.0 · Source
Currency Exchange - Moldova (by David Stanley)

D-Stanley · CC BY 2.0 · Source

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
ArcelorMittal steel plant on the Cuyahoga River

Roy Luck · CC BY 2.0 · Source

08 · Government microeconomic intervention (A Level)

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

Wilfredor · CC0 · Source
Alpha Factory-Sewing Floor 80-90

Alan D Cirker · CC BY 3.0 · Source

09 · The macroeconomy (A Level)

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

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

Spinarak · CC0 · Source

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
Trading Floor at the New York Stock Exchange

Scott Beale · CC BY-SA 4.0 · Source

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
Aerial view of a busy tomato market in Lagos Nigeria

Ayorinde Ogundele · CC BY-SA 4.0 · Source

A-Level Further Mathematics

01 · Further Pure Mathematics 1

Sailboat with spinnaker 17RM0454

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

Colin · CC BY-SA 3.0 · Source

02 · Further Pure Mathematics 2

Detail of catenary and transmission line support pylons on Amtrak Susquehanna River Bridge (2), May 2023

Mr. Matté (if there is an issue with this image, contact me using this image's Commons talk page, my Commons user talk page, or my English Wikipedia user talk page; I'll know about it a lot faster) · CC BY-SA 4.0 · Source
Romanesco broccoli fractals

Jon Sullivan · Public domain · Source

03 · Further Mechanics

Newton's Cradle (15221366308)

Sheila Sund from Salem, United States · CC BY 2.0 · Source
Fuente en Baku, Azerbaiyán, 2016-09-26, DD 227-229 HDR

Diego Delso · CC BY-SA 4.0 · Source

04 · Further Probability & Statistics

Galton box

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

Diacritica · CC BY-SA 3.0 · Source

A-Level Mathematics

01 · Pure Mathematics 1

San Francisco (CA, USA), Golden Gate Bridge -- 2022 -- 3024 (bw)

Dietmar Rabich · CC BY-SA 4.0 · Source
London Eye at sunset 2013-07-19

Bob Collowan · CC BY-SA 3.0 · Source

02 · Pure Mathematics 2

Seismograph recording

Atomicdragon136 · CC BY 4.0 · Source
Corner of Stockton and Jackson Street, crowd, San Francisco (April 2007)

Jennifer Woodard Maderazo · CC BY 2.0 · Source

03 · Pure Mathematics 3

Sailboat with spinnaker 17RM0454

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

Jon Sullivan · Public domain · Source

04 · Mechanics

Newton's Cradle (15221366308)

Sheila Sund from Salem, United States · CC BY 2.0 · Source
Loop Coaster MOMOnGA vertical loop - Yomiuriland

Jeremy Thompson · CC BY 2.0 · Source

05 · Probability & Statistics 1

Galton board

Exhibit made by Estes Objethos Atelier, photo by Rodrigo.Argenton · CC BY-SA 4.0 · Source
Galton box

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

Diacritica · CC BY-SA 3.0 · Source

06 · Probability & Statistics 2

People waiting in line at Stena Line ferry terminal, Frederikshavn

W.carter · CC0 · Source
Street Crowd

Yann Kemper · CC0 · Source

A-Level Physics

01 · Physical quantities and units

Mahr MarCal 16 N vernier caliper

Lucasbosch · CC BY-SA 3.0 · Source
Messschieber

ArtMechanic · CC BY-SA 3.0 · Source

02 · Kinematics

Car speedometer

Chenspec · CC BY-SA 4.0 · Source
SNCF TGV Duplex Viaduc de Cize - Bolozon

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

03 · Dynamics

Space Shuttle Columbia launching

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

Kalispera Dell · CC BY 3.0 · Source

04 · Forces, density and pressure

Fischer precision aneroid barometer

Fischer · Product image · Source
Glacial iceberg in Argentina

IlyaHaykinson · CC BY 2.0 · Source

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

06 · Deformation of solids

Shimadzu AGS-X universal testing machine

Shimadzu · Product image · Source
SpringHandExerciser

Simon Speed · Public domain · Source

07 · Waves

Rigol DS1054Z digital oscilloscope

Rigol · Product image · Source
Water ripples

Georgios Orfeas Katsouris · CC BY 4.0 · Source

08 · Superposition

Two-point-interference-ripple-tank

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

· CC BY-SA 3.0 · Source

09 · Electricity

Electronic-Axial-Lead-Resistors-Array

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

Dmitry Makeev · CC BY-SA 4.0 · Source

10 · D.C. circuits

Multimeter probes on breadboard

Zeroping · CC BY 4.0 · Source
400 points breadboard

oomlout · CC BY-SA 2.0 · Source

11 · Particle physics

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

Nuledo · CC BY-SA 4.0 · Source
2 m Bubble Chamber

CERN · CC BY-SA 4.0 · Source

12 · Motion in a circle

Fairground ride lights2

Iantresman · CC BY 3.0 · Source
Ferris wheel Nice Dec 2008 a

Cayambe · CC BY-SA 3.0 · Source

13 · Gravitational fields

Saturn during Equinox

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

NASA · Public domain · Source

14 · Temperature

Hot fries, cold drink. (17176913004)

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

Anonimski · CC BY-SA 3.0 · Source

15 · Ideal gases

Scuba diver practising a no mask swim

Yu Diving · CC BY-SA 2.0 · Source
Gas cylinders in France

Cjp24 · CC BY-SA 4.0 · Source

16 · Thermodynamics

Dampfturbine Laeufer01

Siemens Pressebild, http://www.siemens.com · CC BY-SA 3.0 · Source
Brayton Point Cooling Towers

Wikimaster97commons · CC BY-SA 3.0 · Source

17 · Oscillations

Pendulum clock by Jacob Kock, antique furniture photography, IMG 0931 edit

Christoph Braun · CC0 · Source
Guitar strings - corde chitarra piolo

petur r · CC BY-SA 2.0 · Source

18 · Electric fields

Van de Graaff generator

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

Fir0002 · GFDL 1.2 · Source

19 · Capacitance

Capacitors Various

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

Giovanna 27 · CC BY 4.0 · Source

20 · Magnetic fields

Magnet0873

Newton Henry Black · Public domain · Source
Bar-magnets-repelling-iron-filings-max

MikeRun, Vera Wurmsdobler · CC BY-SA 4.0 · Source

21 · Alternating currents

Substation switchgear and transformer - geograph.org.uk - 3665144

Bob Harvey · CC BY-SA 2.0 · Source
Triangular wave and square wave on oscilloscope screen (cropped)

User:Xato · CC0 · Source

22 · Quantum physics

Periodic Table of Photos of Element Spectra

Umop503 · CC0 · Source
Ground mounted solar panels.gk

Grendelkhan · CC BY-SA 4.0 · Source

23 · Nuclear physics

Beta radiation in a cloud chamber

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

Trougnouf · CC BY 4.0 · Source

24 · Medical physics

Chest Xray PA 3-8-2010

Stillwaterising · CC0 · Source
PET-image

Jens Maus (http://jens-maus.de/) · Public domain · Source

25 · Astronomy and cosmology

Hubble Ultra Deep Field

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

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

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

G.Gillet/ESO · CC BY 3.0 · Source

0101 · Physical quantities

Digital vernier caliper

Jacek Halicki · CC BY-SA 4.0 · Source

0102 · SI units

Prototype kilogram replica

Japs 88 · CC BY-SA 3.0 · Source

IGCSE Biology

01 · Characteristics and classification of living organisms

E. coli bacteria (SEM)

NIAID · CC BY 2.0 · Source
Fly agaric mushroom

Onderwijsgek · CC BY-SA 3.0 nl · Source

02 · Organisation of the organism

Onion epidermis cells (light micrograph, 40x)

loganrickert · CC BY 2.0 · Source
Compound light microscope

GcG(jawp) · Public domain · Source

03 · Movement into and out of cells

Plasmolysis in red onion cells

Trương Minh Khải · CC BY 4.0 · Source
Red Blood Cells Under Microscope

Koshur · CC BY-SA 4.0 · Source

04 · Biological molecules

Potato starch grains (light micrograph)

MarekMiś · CC BY 4.0 · Source
Fresh made bread 05

FranHogan · CC BY-SA 4.0 · Source

05 · Enzymes

Detergent - Persil Megaperls 02

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

Luc Viatour · CC BY-SA 2.5 · Source

06 · Plant nutrition

Stomata in a leaf (light micrograph, 400x)

ChrisInMilton · CC BY-SA 4.0 · Source
Green leaf with sunlight

Joselodos · CC0 · Source

07 · Human nutrition

Types of teeth

http://www.scientificanimations.com/ · CC BY-SA 4.0 · Source
Fresh fruit and vegetables - geograph.org.uk - 854803

Evelyn Simak · CC BY-SA 2.0 · Source

08 · Transport in plants

Dicot stem cross-section (light micrograph)

User:Micropix · CC BY-SA 3.0 · Source
Savernake Forest, Lone tall tree - geograph.org.uk - 1407766

Nigel Cox · CC BY-SA 2.0 · Source

09 · Transport in animals

Blood cells (scanning electron micrograph)

Bruce Wetzel and Harry Schaefer (National Cancer Institute) · Public domain · Source

10 · Diseases and immunity

White blood cell engulfing bacteria

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

Dunpharlain · CC BY-SA 4.0 · Source

11 · Gas exchange in humans

The Human Lungs

Edeh Sophia · CC0 · Source
3d model of lungs airways ribs

Eboelen (talk) (Uploads) · CC0 · Source

12 · Respiration

Marathon runners near the end of the race - geograph.org.uk - 6142899

Stephen Craven · CC BY-SA 2.0 · Source
Alvin Harrison 2000

Ian @ ThePaperboy.com · CC BY 2.0 · Source

13 · Excretion in humans

Haemodialysis machine

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

Henry Vandyke Carter · Public domain · Source

14 · Coordination and response

Neurons (light micrograph)

Lennart Rikk · CC0 · Source
Computed tomography of human brain - large

Department of Radiology, Uppsala University Hospital. Uploaded by Mikael Häggström · CC0 · Source

15 · Drugs

Antibiotic sensitivity test

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

Antonio Kless · CC BY-SA 4.0 · Source

16 · Reproduction

Pollen grains (SEM)

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

Subhrajyoti07 · CC BY-SA 4.0 · Source

17 · Inheritance

Human karyotype (46,XY)

Doc. RNDr. Josef Reischig, CSc · CC BY-SA 3.0 · Source
20251019 Replica DNA double helix model Berlin 03

Flocci Nivis · CC BY 4.0 · Source

18 · Variation and selection

Peppered moth: dark (melanic) form

Chiswick Chap · CC BY-SA 3.0 · Source
Street Crowd

Yann Kemper · CC0 · Source

19 · Organisms and their environment

Coral reef ecosystem

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

Rasheedhrasheed · CC BY-SA 4.0 · Source

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
Deforested area, Goldisthal, 2023-05-20

Radomianin · CC BY-SA 4.0 · Source

21 · Biotechnology and genetic modification

DNA bands on an electrophoresis gel

Sgroey · CC BY-SA 4.0 · Source
Leeds Brewery- conditioning tanks (geograph 5621753)

Stephen Craven · CC BY-SA 2.0 · Source

IGCSE Business Studies

01 · Understanding business activity

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

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

Dietmar Rabich · CC BY-SA 4.0 · Source

02 · People in business

Meeting British business representatives (5430620349)

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

Alan D Cirker · CC BY 3.0 · Source

03 · Marketing

Shibuya Crossing

Landry Miguel · CC BY-SA 4.0 · Source
A John Lewis Partnership shop window (8734849424)

Tyne & Wear Archives & Museums · No restrictions · Source

04 · Operations management

Assembly line

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

Peka · CC BY-SA 4.0 · Source

05 · Financial information and decisions

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

Harrison Keely · CC BY 4.0 · Source
Market centre in Tokyo stock exchange

ehnmark · CC BY 2.0 · Source

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
Brayton Point Cooling Towers

Wikimaster97commons · CC BY-SA 3.0 · Source

IGCSE Chemistry

01 · States of matter

Iodine subliming

Kate7234 · CC0 · Source
Ice cubes openphoto

Darren Hester · CC BY-SA 2.5 · Source

02 · Atoms, elements and compounds

Vanadium crystal bar and 1cm3 cube

Alchemist-hp (pse-mendelejew.de) · FAL · Source
The model of Water

山本海行 · CC BY-SA 4.0 · Source

03 · Stoichiometry

Analytical balance & old weighing scales

Делфина · CC BY-SA 4.0 · Source
Laboratoř titrace

Milda 444 · CC BY-SA 4.0 · Source

04 · Electrochemistry

Electrolysis of water

Rhetos · CC0 · Source
Water Electrolysis Unit Hydrogen Fuel Cell

D.S. Soriano · CC BY 4.0 · Source

05 · Chemical energetics

Campfires burning wood pits

Jon Sullivan · Public domain · Source
Bunsen burner

OKWE DARIOUS · CC BY-SA 4.0 · Source

06 · Chemical reactions

Potassium manganate(VII) solution

Leiem · CC BY-SA 4.0 · Source
Rust on iron

Laitr Keiows · CC BY-SA 3.0 · Source

07 · Acids, bases and salts

Red and blue litmus paper

Meganbeckett27 · CC BY-SA 3.0 · Source
Litmus paper

Chemicalinterest · Public domain · Source

08 · The Periodic Table

Potassium reacting with water

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

Ed Uthman, Houston, Texas, USA · CC BY 3.0 · Source

09 · Metals

Rusted iron chain

MX1996 · CC BY-SA 4.0 · Source
Heavily corroded end post

Beta Engineering · Public domain · Source

10 · Chemistry of the environment

Inside a catalytic converter

Cyrogigabyte · CC0 · Source
Brayton Point Cooling Towers

Wikimaster97commons · CC BY-SA 3.0 · Source

11 · Organic chemistry

Anacortes Refinery 31911

Walter Siegmund (talk) · CC BY 2.5 · Source

12 · Experimental techniques and chemical analysis

Paper chromatography

Yuliiaoleksii · CC BY 4.0 · Source
Acid-base titration

Alina.Popova.26 · CC BY 4.0 · Source

IGCSE Computer Science

01 · Data representation

Binary blue

geralt · CC0 · Source
Die (the 'heart') of a microprocessor Intel 80486 with 1.2 millions of transistors, ca. 1990

Thomy pc at German Wikipedia · Public domain · Source

02 · Data transmission

USB connectors

Techtonic · Public domain · Source
An Ethernet cable

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

Hustvedt · CC BY-SA 3.0 · Source

03 · Hardware

Inside a hard disk drive

Zzubnik · Public domain · Source
A solid state drive

PantheraLeo1359531 · CC BY 4.0 · Source
An optical disc

· Public domain · Source
A USB flash drive

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

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

Logitech · Product image · Source
Logitech M100 optical mouse

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

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

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

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

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

Canon · Product image · Source
Canon Rebel 500d T1i white background

Tedder at English WikipediaModified by Buonaparte69 at en.wikipedia · CC BY 3.0 · Source
Logitech Z313 computer speakers

Logitech · Product image · Source
Samsung 24-inch monitor

Samsung · Product image · Source
Logitech Yeti USB microphone

Logitech · Product image · Source
Logitech H390 headset

Logitech · Product image · Source
Samsung Galaxy Tab A9 tablet

Samsung · Product image · Source
Corsair Vengeance DDR5 RAM module

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

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

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

Suyash Dwivedi · CC BY-SA 4.0 · Source

04 · Software

Computer motherboard 2

Kurt Kaiser · CC0 · Source
BOSS Linux v6.1 Desktop - English

C-DAC/NRCFOSS · GPL · Source

05 · The internet and its uses

A home Wi-Fi router

Evan-Amos · Public domain · Source
A data centre

BalticServers.com · CC BY-SA 3.0 · Source

06 · Automated and emerging technologies

An industrial robot arm

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

Josh Sorenson · CC0 · Source
Mi Robot Vacuum

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

9yz · CC BY 4.0 · Source

07 · Topic 07

Programmer at work (Unsplash)

Crew crew · CC0 · Source
Flowchart Program

Mistervip.wa · CC BY-SA 4.0 · Source

08 · Programming

Screen-python-code-matplotlib-physics-simulation

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

Veeblefetzer · CC BY 4.0 · Source

09 · Databases

Datacenter Server Racks (22370909788)

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

Dr. Marcus Gossler · CC BY-SA 3.0 · Source

10 · Boolean logic

A logic gate chip

S. Kaba · Public domain · Source
BreadBoard Circuit Example

Chuck · Public domain · Source

IGCSE Economics

01 · The basic economic problem

Farmland landscape, Pennyunk Lane - geograph.org.uk - 3823365

Peter Barr · CC BY-SA 2.0 · Source
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

02 · The allocation of resources

Frankfurt Stock Exchange (Ank Kumar) 08

Ank Kumar · CC BY-SA 4.0 · Source
Cooling Tower at Michigan City Generating Station - Coal and Natural Gas Fired Power Plant - Indiana (52951498173)

Tony Webster · CC BY 2.0 · Source

03 · Microeconomic decision-makers

08 Philippine peso PHP currency - banknotes and coins of Philippine money

Marek Ślusarczyk (Tupungato) Photo portfolio · CC BY 3.0 · Source
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
001 Car factory assembly line - Opel factory in Gliwice, Poland

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

04 · Government and the macroeconomy

Taipei Taiwan Central-Bank-of-the-Republic-of-China-02

CEphoto, Uwe Aranas · CC BY-SA 3.0 · Source
Tower crane at a building construction site in Taichung 2023-05-13 04

臺中市政府新聞局 · Attribution · Source

05 · Economic development

Favelascape - Flickr - eflon

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

chenisyuan · CC BY-SA 4.0 · Source

06 · International trade and globalisation

Container port

H. Zell · CC BY-SA 3.0 · Source
2023-05-20 04 RORO Cargo MISANA - IMO 9348936

Gordon Leggett · CC BY-SA 4.0 · Source

IGCSE Mathematics

01 · Number

Andromeda Galaxy (with h-alpha)

Adam Evans · CC BY 2.0 · Source
Retail outlets, High Street - geograph.org.uk - 7644448

John Baker · CC BY-SA 2.0 · Source

02 · Algebra and graphs

San Francisco (CA, USA), Golden Gate Bridge -- 2022 -- 3024 (bw)

Dietmar Rabich · CC BY-SA 4.0 · Source
Romanesco broccoli fractals

Jon Sullivan · Public domain · Source

03 · Coordinate geometry

2010-365-251 The Bronx aerial view (4972664239)

cogdogblog · CC BY 2.0 · Source
Sustenpass, Kanton Uri

Philipp Ramseier · CC BY-SA 4.0 · Source

04 · Geometry

Fresh honeycomb dripping honey India

Vraj Acharya · CC BY-SA 4.0 · Source
Symmetry of the Taj Mahal, Agra

Jonathan Freundlich · CC BY-SA 3.0 · Source

05 · Mensuration

Pyramids of Giza

Ricardo Liberato · CC BY-SA 2.0 · Source
All Gizah Pyramids

Ricardo Liberato · CC BY-SA 2.0 · Source
Shipping containers at West Harbour in Jätkäsaari, Helsinki, Finland, 2008 October

Kari Hakli · CC BY-SA 4.0 · Source

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
London Eye at sunset 2013-07-19

Bob Collowan · CC BY-SA 3.0 · Source

07 · Transformations and vectors

Tiles on Islamic geometric patterns

Jorge Láscar · CC BY 2.0 · Source
Sailboat with spinnaker 17RM0454

Ermell · CC BY-SA 4.0 · Source

08 · Probability

Roulette wheel in a casino

Legoloiii · CC BY-SA 4.0 · Source
Dice (typical role playing game dice)

Diacritica · CC BY-SA 3.0 · Source

09 · Statistics

Street Crowd

Yann Kemper · CC0 · Source
Galton box

Exhibit made by Estes Objethos Atelier, photo by Rodrigo.Argenton · CC BY-SA 4.0 · Source

IGCSE Physics

01 · Motion, forces and energy

Windmills D1-D4 (Thornton Bank)

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

Bobby Proffer · CC BY-SA 3.0 · Source

02 · Thermal physics

Mano en el espectro visible y en el infrarrojo térmico

Amfeli · CC BY 4.0 · Source
Digital thermometer

Vee Gee · Product image · Source

03 · Waves

Two-point-interference-ripple-tank

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

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

Amangeldyurazov · CC BY-SA 4.0 · Source

04 · Electricity and magnetism

Magnetic field pattern

Maciej J. Mrowinski · CC BY-SA 4.0 · Source
Pylon ds

Yummifruitbat · CC BY-SA 2.5 · Source
Pole mounted Transformer

Bidgee · CC BY 3.0 · Source
Resistor kit

SparkFun Electronics · Product image · Source

05 · Nuclear physics

Doel nuclear power plant

Ad Meskens · CC BY-SA 3.0 · Source
GQ GMC-300S Geiger counter

GQ Electronics · Product image · Source

06 · Space physics

The Sun

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

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

NASA Hubble · CC BY 2.0 · Source
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
Whirlpool Galaxy

NASA and European Space Agency · Public domain · Source
FullMoon2010

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

ESO/Yuri Beletsky (ybialets at eso.org) · CC BY 4.0 · Source

Python Reference

16 · Computing concepts

Internet map 1024

The Opte Project · CC BY 2.5 · Source

Data sources

HSK vocabulary — English / Chinese trainer

Word lists & pinyin: complete-hsk-vocabulary (MIT). Definitions from CC-CEDICT, CC BY-SA 4.0.