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.

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

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

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.

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

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!

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.

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.

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

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.

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

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

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