How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Engineers in training can get started with this simple wheel-and-axle construction activity.

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

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

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

How powerful is the reaction between baking soda and vinegar? Find out here!

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

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

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!

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

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

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

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

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

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.

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.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

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

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

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.