In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

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.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

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 fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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

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