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!

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

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

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

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

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

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.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

In this fun activity, your child will create their very own solar oven to bake s'mores!

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

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

This science fair project idea produces varying pitches of sound.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

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.

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.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

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.

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

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

This science fair project idea produces sounds by creating vibrations using different objects.

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

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

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

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

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.

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

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.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.