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

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

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

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

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

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

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

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

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

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

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

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

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

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

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

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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.

Learn with makes water molecules work with this fun and easy science activity!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

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

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

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

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.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

Give your budding young observers a chance to discover simple machines at use in their own home.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

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