Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

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?

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.