What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

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.

Have your child kick off their summer vacation by making a miniature water slide!

Study the physical and chemical changes that make hair curl or straighten. Study ingredients, function of chemicals like thioglycolic acid.

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

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

How powerful is the reaction between baking soda and vinegar? Find out here!

This activity is a great introduction to polymer chemistry. It might seem complicated, but all you'll need is the material found inside of a baby's diaper!

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

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.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This project examines how temperature affects the volume of gas in balloons.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Evaluate gender differences in processing visual information.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Science fair project that examines the physical features of elephants and butterflies and draws conclusions about their similarities.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.