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 whether plants can grow without sunlight and water.

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

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

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

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.

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

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

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.

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.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

In this science fair project, students make their own rain gauge to measure rainfall.

Examine the effect of pressure on carbonation in soda.

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.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

In this experiment we will be determining whether birds prefer certain colors of seed.