Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

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 awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

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

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

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

This kids' activity is fun to perform and impressive to watch. Plus, it's a great example of Newton's First Law of Motion at work.

Teach your preschooler some physics that she can relate to with this fun and simple activity!

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

Experiment with magnetism in this 8th grade science activity in which your child will create a working compass using a steel needle, magnet, and jar.