In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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

This science fair project idea investigates how the shape of an object affects drag.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Start your toy engines -- this is going to be a fast and friction-filled race!

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

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.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

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

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

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

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Test whether plants can grow without sunlight and water.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Test your friends to find out if you can replicate the placebo effect's incredible results.