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

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.

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

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

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

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

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!

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

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

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

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.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

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

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

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

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!

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

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

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

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!

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.

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.