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.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

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.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

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

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

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.

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

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

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

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

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.

Give your budding young observers a chance to discover simple machines at use in their own home.

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

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

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.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

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

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

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

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 explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Discover how and which salt melts ice the quickest.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.