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.

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.

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.

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

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

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

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.

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

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

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

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

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

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

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

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.

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

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.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

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 examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

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.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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.

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.