9 Best Science Fair Ideas for 7th Grade Students
1. Plant growth in different soils: Study how soil types affect plant growth.
2. Solar energy efficiency: Compare solar panel designs for maximum efficiency.
3. Water purification methods: Investigate different techniques for purifying water.
4. Effects of music on plant growth: Explore how music affects plant growth.
5. Food preservation methods: Test various methods for preserving food freshness.
6. Investigating battery life: Compare different types of batteries for longevity.
7. Magnet strength and distance: Measure how distance affects magnet strength.
8. Density of liquids: Experiment with liquids to determine their densities.
9. Effects of exercise on heart rate: Study how exercise impacts heart rate variability.
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