Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

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

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

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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!

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

This science project examines the history of earthquakes and what we can do to prevent future disasters.

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.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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

For this activity your child will use the ready made glycerin base to create elegant rose petal hand soaps.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Here's a fun activity to reinforce the physics concept of stored energy for your middle schooler.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

Learn with makes water molecules work with this fun and easy science activity!

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!

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!