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Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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 of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Use pepper and soap to discover some fun facts about the properties of water.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Construct and experiment with a periscope using reflected light rays to gather an image.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

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

Uh-oh! Is that a pill sitting on the counter or a piece of candy?