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.

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

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.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

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.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

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 idea examines liquids of different densities.

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

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

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

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.

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 objective of this science fair project is to investigate salt water density.

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.

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 investigates whether air has mass and weight.

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

In this science fair project, students make their own rain gauge to measure rainfall.