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!

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

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

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

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

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

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

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!

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

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

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

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

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

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

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

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

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

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

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.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

This surprisingly good glue recipe comes from common kitchen items.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

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