This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This science fair project idea determines what household items are good conductors of electricity.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Find out whether packaged seeds actually do expire in this new science fair project idea.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

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

Construct batteries that make electricity from fruits with this fun science fair project.

This science fair project idea explores the different properties & interactions of sugar molecules.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This project examines what types of objects burn and which burn faster and cleaner.

This science fair project idea provides evidence that air is everywhere and takes up space.

This project investigates the affect of storage temperature on microwave popcorn.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.