Astronomy and Space · Planetary Science
Build a scale model of the solar system on your street
Shrink the solar system so the Sun is a football and place the planets at true scale distances.
- Beginner
- 1 day
- Under 250
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Astronomy and Space · Observational Astronomy
Make a model of the solar and lunar eclipses
Use a torch and two balls to show how the Moon's shadow and the Earth's shadow cause eclipses.
- Beginner
- 1 day
- Under 250
History · Ancient History
Build a museum exhibit on an ancient civilisation
Make a model town, artefact replicas and labels that explain daily life in one ancient city.
- Easy
- 1–2 weeks
- 250–500
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
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
Fine Arts + Environmental Science
Sculpt with recycled materials
Build a sculpture from discarded materials that says something about waste.
- Easy
- 1–2 weeks
- Under 250
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