7th Grade Science Fair Projects

1. Plant growth: Study effects of light on plant growth. Test with varying light durations.

2. Paper airplane physics: Investigate how wing size affects flight distance.

3. Water purification: Experiment with different filtration methods for clean water.

4. Solar energy: Build a simple solar cooker and measure its efficiency.

5. Density experiments: Explore buoyancy by testing objects in different liquids.

6. Chemical reactions: Observe reactions between household items like vinegar and baking soda.

7. Magnetism: Investigate magnetic field strength using various magnets.

8. Weather patterns: Create a homemade weather station to track temperature and humidity.

9. Static electricity: Experiment with static charges using balloons and wool.

10. Bridge building: Test different bridge designs for strength using household materials.

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