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

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

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

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

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

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

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.

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

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.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

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

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

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

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

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.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

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

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

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.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

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

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

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

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

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

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

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

This science fair project idea produces varying pitches of sound.