Ready when you are
For 11 to 13 year olds who like chemistry. Change
Start here
Then
Ages 7–12
Kitchen Chemistry
Mix things from the kitchen. Which ones fizz, foam and change colour?
Have a read →Ages 11–13
Temperature Translator
Is zero degrees always cold?
Start playing →Ages 8–13
Particle Party
What are these tiny dots doing when nobody's watching?
Start playing →Ages 8–13
Atom Builder
Build me a carbon atom. Then break it.
Start playing →Ages 11–13
Isotope Hourglass
When does half become half again?
Start playing →Ages 11–13
Ionization Tug
Which atom lets go of an electron first?
Start playing →Ages 10–13
Bond Forge
Some atoms share. Some atoms steal. Which is which?
Start playing →Ages 10–13
Octet Puzzler
Every atom wants a full outer ring. Can you make everyone happy?
Start playing →Ages 10–13
Build a Molecule
Every atom has arms. Join them up and see what you have made.
Have a read →Ages 11–13
Formula Foundry
How many ions make this compound neutral?
Start playing →Ages 9–13
Gas Lab
Squeeze the balloon. Where does the pressure come from?
Start playing →Ages 9–13
Solubility Sea
How much salt can one glass of water hold? What if it's hot?
Start playing →Ages 8–13
Rate Racer
Three identical tablets. Make yours fizz out first.
Start playing →Ages 11–13
Concentration Mixer
Can more water make the same drink weaker?
Start playing →Ages 11–13
Equilibrium Seesaw
Can both sides keep changing while the level stays still?
Start playing →Ages 11–13
Acid Dropper
How many drops change a tenfold scale?
Start playing →Ages 11–13
Gas Balloon
What happens to a balloon when the air warms?
Start playing →12 more chemistry playgrounds are being built for 11 to 13 year olds.