Ready when you are
For everyone who like biology. Change
Start here
Then
Ages 5–7
Seed Wake-Up
What does this sleeping seed need?
Start playing →Ages 7–11
Log Flip
Flip the log. Twenty things live under it — can you sort them?
Start playing →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 8–10
Microscope Focus
What is hiding in this blurry drop?
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 8–10
Kelp Shelter
How many creatures can a kelp forest shelter?
Start playing →Ages 11–13
Population Ceiling
Can a population grow forever?
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