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

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

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

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.

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.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

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

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

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

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

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

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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.

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

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

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

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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