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.

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

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

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!

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

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

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

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

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

This surprisingly good glue recipe comes from common kitchen items.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

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

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

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

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

Find out whether matching resonant frequencies can cause objects to shatter.