This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

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.

This science fair project idea determines whether the diet and taste preferences of humans relate to their personality.

Using a toy race car kids create a visual model of the Doppler Effect.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

This project explores whether music affects the growth and health of plants.

Explore the belief in astrology as a predictive system.

This experiment will test whether people are better auditory or visual learners and if there is a link between gender and either of these learning types.

In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.

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

This science fair project idea explores how water and ice can change the form of rocks.

Detail the chemical properties, nutritional value, medicinal effects of garlic, Write a detailed report, prepare recipes.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Examine how a battery can be made from everyday materials.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

This project examines whether and what associations exist between numbers and letters and colors.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Discover how and which salt melts ice the quickest.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

This science fair project idea determines if the color of light affects the growth of plants.

Use pepper and soap to discover some fun facts about the properties of water.

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

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.