This project examines which style of central-air system filter traps the most particles from the air.

Determine which video game elevates the heart rate best and burns the most calories.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.

This experiment evaluates whether motivational music can improve athletic performance.

Can you win a staring contest? Would your performance be influenced by your eyesight? Find out in this science fair project idea!

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

In this science fair project you will make a model of a cell membrane using very simple material.

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.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

This science fair project idea examines the differences between bottle water, filtered water, and tap water.

In this science fair project, students examine how temperature affects sugar transport within a plant.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

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

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?

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

Monitor the impact learning how to play chess has an academic performance. Divide subjects into two groups compare GPA

This science fair project idea explores which kinds of earplugs are the most effective.

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.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

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.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

Experiment with fermenting various fruits, grains or syrups. Describe and illustrate the fermentation process in a detailed report.

This experiment evaluates whether frequent texters have better finger dexterity compared to people that rarely use text messaging.

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

This science fair project explores whether musicians are better than non-musicians at distinguishing and understanding speech in noisy environments