In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

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

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This experiment tests which gender is better at catching how a magician performs his tricks.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

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

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

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Start your toy engines -- this is going to be a fast and friction-filled race!

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

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