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

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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

Test whether plants can grow without sunlight and water.

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

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Explore if planting seeds in a certain direction will affect how fast it germinates.

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

This science fair project idea identifies clouds as a means of predicting the weather.

This science fair project idea explores the different properties of matter.

This science fair project idea compares biodiversity between drops of water.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Discover how and which salt melts ice the quickest.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.