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.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

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

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!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

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

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

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

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

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

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.

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

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

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!

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how: