This project examines whether and what associations exist between numbers and letters and colors.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

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

Discover how and which salt melts ice the quickest.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Help your child make a beautiful homemade sandcastle that will last!

This science fair project idea determines if the color of light affects the growth of plants.

Use pepper and soap to discover some fun facts about the properties of water.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

Use a dichotomous key to identify plants or animals.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.