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 baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

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

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

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 science fair project idea quantifies the effect of specific food sources on red worm (Eisenia foetida) livelihood.

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 tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

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

This science project has students study the idea of human beauty.

This science fair project idea discovers new ways to use recycled materials and encourages new architectural design ideas.

This science fair project idea experiments with unusual ideas in fashion design and the development of eco-friendly fashion products.

This science fair project idea increases the space efficiency of living areas and encourages economic improvements via new real estate ideas.

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.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

This science fair project will investigate a type of sustainable development project.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea examines liquids of different densities.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

This project involves the development of a website using free software online to promote the value of science.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.