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.

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!

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!

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

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.

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.

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

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

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.

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!

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.

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 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!

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

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

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

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

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

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