Find out which kind of bubble wrap fares best when put in impact.

This science fair project idea explores substances that cause a bubble to last longer.

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

In this science fair project, students create their own miniature salt flats at home.

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

In this science fair project, students make their own rain gauge to measure rainfall.

Find out whether a longer airplane will fly farther or a wider paper airplane.

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

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project teaches students about wilting and browning of salad greens.