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.

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

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.

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!

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

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.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

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.

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.

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.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

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

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

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

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

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

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

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.

This science fair project idea produces sounds by creating vibrations using different objects.

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!

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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

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.

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

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.