The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

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

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?

Make a backbone model to explore human anatomy and life science.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

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

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea compares biodiversity between drops of water.

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

This science fair project idea explores the egg's thin membrane.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea investigates how color affects temperature.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This science fair project idea investigates whether air has mass and weight.

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

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea investigates the hardness property of minerals.

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

This science fair project idea examines the reason boats are shaped and engineered.

In this science fair project you will make a model of a cell membrane using very simple material.

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

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea investigates how magnetism can defy the force of gravity.

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

This science fair project will help students learn about non-vascular plants, such as mosses.