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.

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

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

Test whether plants can grow without sunlight and water.

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

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

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

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

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

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

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

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

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

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

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

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.

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.