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!

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

What happens when colored beams of light mix? You might be surprised.

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

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

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

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

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

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

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

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

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

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

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

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

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

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.

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.

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

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

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

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

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

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

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.