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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.

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!

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.

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

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

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.

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

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!

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.

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

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

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

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

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