This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

Evaluate whether birth order influences personality.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This science fair project idea determines the probability of a coin landing heads or tails.

Determine if gender affects the ability to identify different smells.

Explore the negative and positive consequences of stereotypes.

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.

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Test whether spot magnets can help improve the symptoms of an injury.

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

Science fair project that determines whether brain size is correlated with intelligence.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

Science fair project that cultivates slime mold and monitors the stages of its development.

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This experiment will evaluate if chewing gum affects students' test performance.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

This science fair project idea explores whether color affects a person's emotional state.