Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This science fair project idea produces varying pitches of sound.

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

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

Engineers in training can get started with this simple wheel-and-axle construction activity.