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.

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

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.

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

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

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

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

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

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