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

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 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.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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!

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

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

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

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Do different types of oil mix or stack? Find out in this science fair project idea!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

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

This science fair project idea investigates how color affects temperature.

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

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle 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.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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.