How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

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

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

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

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

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Making your own glass cleaner is easy, effective and inexpensive!

Try this chemistry experiment with your curious kid and get some "shocking" results!

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

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

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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