15 of the Best 7th Grade Science Projects and Experiments

1. The Effects of Different Liquids on Plant Growth: This project explores how different liquids, such as water, milk, and soda, affect the growth of plants.
2. Investigating the Efficiency of Solar Cookers: This experiment tests the effectiveness of different types of solar cookers in terms of cooking time and temperature.
3. Examining the Impact of Music on Memory: This project studies the relationship between different genres of music and memory retention.
4. Investigating the Effect of Temperature on the Rate of Chemical Reactions: This experiment explores how temperature influences the speed of various chemical reactions.
5. Testing the Strength of Various Types of Bridges: This project examines the structural integrity of different bridge designs and materials.
6. Studying the Effect of Different Soils on Seed Germination: This experiment investigates how different soil compositions impact the germination process of seeds.
7. Analyzing the Effects of Exercise on Heart Rate: This project measures how different types and durations of exercise affect heart rate.
8. Investigating the Efficiency of Water Filters: This experiment evaluates the effectiveness of various water filtration methods in removing contaminants.
9. Exploring the Relationship Between Magnet Strength and Distance: This project studies how the strength of a magnet influences its magnetic field’s range.
10. Investigating the Effect of Different Fertilizers on Plant Growth: This experiment compares the growth of plants using different types of fertilizers.
11. Testing the Absorbency of Various Types of Paper Towels: This project determines which brand or type of paper towel absorbs liquids the most effectively.
12. Examining the Effect of Different Types of Light on Plant Growth: This experiment examines how different light sources, such as natural light and artificial light, affect plant growth.
13. Investigating the Effect of pH on the Oxidation of Fruit Juices: This study measures how pH levels influence the oxidation process of different fruit juices.
14. Testing the Efficiency of Wind Turbines: This project evaluates the effectiveness of different wind turbine designs in generating electricity.
15. Studying the Effect of Different Types of Insulation on Heat Retention: This experiment measures how various insulation materials retain heat in different environments.