7th Grade Science Fair Projects

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

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

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

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

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

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

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

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

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

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

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