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!

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

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

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.

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

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

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

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

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.

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.

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.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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.

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

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.

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.

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

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

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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!

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!