Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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 teaches students the differences between fruits and vegetables.

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

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

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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

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

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

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

This science fair project idea investigates how color affects temperature.

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

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.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

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

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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

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

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