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

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

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

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

This science fair project idea explores whether talking to a plant will help it grow.

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.

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

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

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

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

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

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

Teach your child how butter is created by shaking up cream the old-fashioned way.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

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

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

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

This science fair project idea produces sounds by creating vibrations using different objects.

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

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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.

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

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.