What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

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!

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

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

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

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

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Find out whether matte or shiny nail polish lasts longer.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

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

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

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

This science fair project investigates why the number of visible stars changes from place to place.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.