Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.