This science fair project idea produces varying pitches of sound.

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

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

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.

An home science experiment for older students that teaches about the science behind heat.

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

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

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

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

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

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!

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.

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.

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

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

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

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

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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