Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

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.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

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

Make a backbone model to explore human anatomy and life science.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This science project teaches students to classify different shapes of leaves.

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

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Take a dive into the candy jar with this yummy science experiment.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

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

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

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.

How powerful is the reaction between baking soda and vinegar? Find out here!

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!