Biology · Human Physiology
Build a model of the lungs and measure lung capacity
Make a bell-jar lung model from a bottle and balloons, then measure real lung capacity by displacing water.
- Beginner
- 1–3 hours
- Under 250
606 projects · 13 streams · every class
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Environmental Science · Climate
Model the melting of ice caps and sea level
Show that melting land ice raises water level but melting floating ice does not.
- Beginner
- 1–3 hours
- Under 250
Chemistry + Biology
Extract DNA from fruit in your kitchen
Pull visible strands of DNA out of a banana or strawberry with soap, salt and cold alcohol.
- Beginner
- 1–3 hours
- Under 250
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