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.

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.

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

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

This biodiversity project examines the biodiversity in your own backyard.

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

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

The purpose of this science fair project is to build a basic radio.

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 fair project idea investigates how color affects temperature.

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

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

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

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

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

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science fair project idea produces varying pitches of sound.

This science fair project idea explores which fruit molds the fastest.

Construct batteries that make electricity from fruits with this fun science fair project.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This science fair project idea explores the different properties of matter.