Alex Z. — How does laundry detergent affect the durability of clothes?
Molly S. — What plant is the best at reducing soil erosion?
Honorable Mention:
Maggie P. & Zoya K. — Which type of wipe picks up more bacteria?
Reed H. — Does changing the amount of bounces of a tennis ball affect the height a tennis ball bounces?
Other Entries:
Charlotte W. & Caitlin H. — Is there a difference in air quality between scented and unscented candles? Sophia N. — How do different soil contaminants affect plant growth? James R. — What type of windmill blade is most efficient?