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

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.

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

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.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

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

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

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.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.