Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Science fair project that builds a magnetometer and demonstrate its uses.

Research currently available fuel sources, and fuel manufacturing and processing techniques. Propose an alternative fuel source.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

This science fair project idea looks into the concept of powered parachutes as the future of transportation.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

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 develops an understanding through experimentation of which shapes are the most structurally strong.

This science project examines the thermal properties of several major greenhouse gases.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

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

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

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

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 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.

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

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.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

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

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 project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

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