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This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project idea investigates if fats add to the flavor of food.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science fair project will help students learn about non-vascular plants, such as mosses.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Plants and light seem to be good buddies, but how far does the friendship really go?

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.