What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This project will examine the relationship between materials and air resistance.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Science fair project that explores the natural process of limestone formation.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

This science fair project idea investigates if fats add to the flavor of food.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

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

This science fair project idea demonstrates that plants give off water.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

This science fair project idea examines which type of insulation holds in the most heat.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

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.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

Explore the relationship between personality traits and birth order effects.