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.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

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

Check out this fun science project to explore the relationship between solubility, drug absorption, and time required for a drug effect to become apparent.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

This science fair project idea designs safe bicycle routes using GPS.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

This science fair project idea outlines the practical applications of particular origami folding techniques.

This science fair project idea explores how length affects the weight a bridge can hold.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

This science project establishes a "breakability index" - basically to assess how much damage is done in different circumstances.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project investigates which type of light bulbs are the best at producing flattering photographs in both flash and non-flash conditions.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science fair project idea outlines the principles and techniques behind paper batteries.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.