This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

This science fair project idea investigates the difference in reaction times between boys and girls.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

This science fair project idea produces varying pitches of sound.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

Explore the negative and positive consequences of stereotypes.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

This biodiversity project examines the biodiversity in your own backyard.

Start your toy engines -- this is going to be a fast and friction-filled race!

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

This science fair project idea examines whether people can decode scrambled messages.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

Science fair project that determines which foods and drinks contain the highest amount of glucose.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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

Science fair project that determines the correlation between wind direction and subsequent weather patterns.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.