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.

Teach your preschooler some physics that she can relate to with this fun and simple activity!

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!

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

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.

Have your kid build an ice sculpture in this activity that's so fast, fun, and messy it's the perfect way to demonstrate how much fun experiments can be!