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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 demonstrates the principles of reflection through simple experiments involving mirrors and light.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Discover which fabrics shrink the most in the wash and why.

Explore if planting seeds in a certain direction will affect how fast it germinates.

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

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

In this science fair project, students create their own miniature salt flats at home.

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

This science fair project examines how seeds hitchhike on animals and clothing.

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

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.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

This science fair project idea explores the different properties & interactions of sugar molecules.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.