Ready when you are
For 11 to 13 year olds who like biology. Change
Start here
Then
Ages 8–13
Who Eats Whom
Take one animal away. What happens to all the others?
Start playing →Ages 8–13
Cell City
Everything in here has a job. What breaks if you take one out?
Start playing →Ages 9–13
Osmosis Pool
The cell is drinking. Can you stop it before it bursts?
Start playing →Ages 11–13
Molecule Chains
Can changing one link change a whole chain?
Start playing →Ages 11–13
Division Clock
When is a cell ready to split?
Start playing →Ages 9–13
Leaf Machine
Sunlight goes in. What comes out?
Start playing →Ages 8–13
Heart Pump
Keep this person alive while they run for a bus.
Start playing →Ages 11–13
Feedback Thermostat
Can a body cool itself without your help?
Start playing →Ages 11–13
Breath to Energy
Where does the sugar go when muscles run?
Start playing →Ages 10–13
Trait Lab
Two black mice. Why is one of the babies brown?
Start playing →Ages 11–13
Codon Kitchen
This is a recipe, three letters at a time. Cook it.
Start playing →Ages 11–13
Meiosis Mixer
Why are two siblings never exactly the same?
Start playing →Ages 9–13
Beak Island
Feed the birds for twenty years. What is left?
Start playing →Ages 11–13
Carbon Loop
Where does carbon go when a forest disappears?
Start playing →Ages 11–13
Population Ceiling
Can a population grow forever?
Start playing →