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

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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

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.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

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

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!

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.

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

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

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

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

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

Making your own glass cleaner is easy, effective and inexpensive!

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

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

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

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

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.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

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

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing 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!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

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

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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.