Find out whether packaged seeds actually do expire in this new science fair project idea.

Explore the negative and positive consequences of stereotypes.

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

This science fair project investigates what type of cookie sheet bakes the best cookies.

This science fair project challenges students to research vortices occurring in nature and then create their own vortex.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

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

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

This experiment will evaluate how texting and talking on cell phones influence reaction time.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

Investigate which substances are most effective at removing salt from water.

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

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

This project involves the development of a website using free software online to promote the value of science.

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 experiment evaluates whether a person's eye color affects their ability to identify colors in low light.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project explores how osmotic pressure forces water through the root up into the plant.