Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Learn whether writing things down really makes things easier to remember.

This experiment will investigate whether reward or punishment is more apt to motivate people.

Create groups of volunteers based on frequency of playing video games. Compare driving records. Analyze data, interpret findings.

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.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Learn the anatomical and physiological differences between central and peripheral visual systems.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

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

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.

This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.

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

This project investigates whether chewing gum can help a majority of people with focus and concentration.

This project examines whether more expensive golf balls translate into better results on the golf course.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

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

This science fair project idea studies how talking on a cell phone affect driving?

This science fair project idea examines whether music has an effect on a person's ability to complete a simple task that requires concentration.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

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

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

This science fair project idea examines the reason boats are shaped and engineered.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

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