Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

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

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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 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.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

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

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.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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.

This experiment evaluates whether there is a relationship between grade point average (GPA) and dating status.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

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

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

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.