Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Examine the effect of pressure on carbonation in soda.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

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.

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

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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

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

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

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this project students experiment with making music using only glasses of water.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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.

Plants and light seem to be good buddies, but how far does the friendship really go?