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Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Find out which type of sponge holds the most water.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

This science fair project idea examines the reason boats are shaped and engineered.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

This science fair project examines how seeds hitchhike on animals and clothing.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Find out whether packaged seeds actually do expire in this new science fair project idea.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

This project examines whether playing music during class helps students learn or if it distracts students from learning.