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Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Have your child try this classic experiment that demonstrates circular motion using a bucket and rope. Be careful, you might get soaked!

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

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

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!

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Show your teen how to make her own beeswax lip balm. It's one of the simplest do-it-yourself activities, and it's fun to make!

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

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.

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

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

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

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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.

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

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

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

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!