Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science fair project idea determines which method of hand cleansing is the most effective.

This classic children's game demonstrates how sound travels through air vs. through a solid.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this science fair project, students use the streak test to tell minerals apart from each other.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Test whether plants can grow without sunlight and water.

This science fair project idea demonstrates that plants give off water.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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 science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

In this project children practice the scientific method while playing with puffy paint.