Investigate which substances are most effective at removing salt from water.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

This science fair project idea investigates food preference of birds.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Determine whether the application of Febreeze will lower the bacterial count.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Science fair project that determines how we can change potential energy into kinetic energy.

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

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

In this fun activity, your child will create their very own solar oven to bake s'mores!

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.