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.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

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

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

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

In this science project, the center of gravity is explored.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

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

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

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.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

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.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

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

This biodiversity project examines the biodiversity in your own backyard.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

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.

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

The project investigates how friction affects motion by using different surface textures.

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