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

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

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

This project determines what category of person is most likely to be ticklish.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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

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

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

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

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

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.

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

Is it a square or a circle? See if you can trick your friends with this zany science project!

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

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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

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

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.

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.

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

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!

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

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.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

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

Test whether plants can grow without sunlight and water.