Balance It: Balancing Equations Game
Practise balancing equations: pick the balanced symbol equation, count the atoms and add state symbols. Free GCSE chemistry game. Years 9 to 11
Play nowFree science games for secondary school
Short science games for KS3 and GCSE. Each one practises a single skill, such as rearranging an equation or naming the parts of a cell. Open a game and press Start. You don't need an account.
FreeNo loginUK curriculumWorks on phones
23 games
Quick question
Question 1 of 6momentum p = ?
m = 4.30 kgv = 13.9 m/s
p = m × v
Tap an answer. No sign-up, and it starts straight away.
Start by subject
Start by level
Our newest game
Balance It: Balancing Equations Game
Practise balancing equations: pick the balanced symbol equation, count the atoms and add state symbols. Free GCSE chemistry game. Years 9 to 11
Play nowFeatured games
Cell Builder: Animal and Plant Cells Game
Build animal and plant cells part by part, then a bacterial cell, and match each part to its job. Free GCSE biology game. Year 9 to 11
Play now
Electromagnet Workshop: Electromagnets and the Motor Effect
Make an electromagnet stronger, find its north pole, then use F = B I l and Fleming's left-hand rule for the motor effect. Free GCSE game. Year 9 to 11
Play now
Flame Test Lab: Flame Test Colours Game
Match flame test colours to metal ions: lithium, sodium, potassium, calcium and copper, with AQA or Edexcel colour words. Free GCSE game. Years 9 to 11
Play now
Half-Life: GCSE Radioactive Decay Game
Read a half-life off a graph, work out what is left after each half-life and balance alpha and beta decay equations. Free GCSE game. Year 9 to Year 11
Play now
Heat It Up: Specific Heat Capacity and Latent Heat Game
Practise specific heat capacity and latent heat: find the temperature rise, the energy to melt ice and boil water, and read a heating curve. Year 9 to 11
Play nowCarry on where you left off
Look it up, then play it
Quick answers with the method shown. Each one leads into a game.
Physics equations
Every GCSE physics equation, with a calculator and a worked example.
Periodic table by exam board
The table your board gives you, with relative atomic masses.
Biology: cells, respiration and photosynthesis
Cell diagrams you can tap, the key word equations and a magnification calculator.
Chemistry: reactions and tests
Reactivity series, flame tests, gas tests, pH and Rf values, board by board.
Spec map
Find the games for your exam board and topic.
Browse by topic
For teachers: Every game has a no-timer round of ten for a starter or a whiteboard check. Ideas for lessons
Looking for a science game?
Crazy Science Games is a free set of short science games for KS3 and GCSE. There is no login. Pick a subject, a level or a topic and press Start.
Need a quick challenge?
Try the quick question at the top, or play a random game.
Want something for the whole class?
Every game works on the board, with class teams and a no-timer round.
Revising one topic?
Use the spec map to find the games for your exam board and topic.
Find a science game for your topic
Revise forces and motion, practise balancing equations, learn the parts of a cell or work out wave speed before a test. Each game takes a few minutes, and each one gets harder as you go.
Why teachers and students use Crazy Science Games
Free
Every game is free. There is nothing to buy.
No login
No accounts and no passwords. Open a link and press Start.
Works on phones
Phones, tablets, laptops and Chromebooks, with no app to install.
Checked against the specs
We check the science against the AQA, Edexcel and OCR documents.
No adverts and no tracking cookies. Read what we collect.
For teachers
Ready for your next lesson
Starters, a spec map and links you can share in seconds. No student accounts and nothing to set up.
Open the teachers pagePhysics games from our sister site
Some physics topics are already covered by games on Crazy Maths Games, so we link to those rather than build them twice.
Speed Distance Time
Drive a delivery van. Each job gives you two of speed, distance and time, and you set the third.
Projectile Motion
Resolve a velocity and predict where a projectile lands. This one is A level mechanics.
Density Mass Volume
Find density, mass or volume, convert the units, and test what floats.
Teachers: hear when a new game lands
One short email when we add a game or a guide, and nothing else. Free, no spam, unsubscribe any time. We never share your address.