How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea produces sounds by creating vibrations using different objects.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project idea explores the egg's thin membrane.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Examine the effect of pressure on carbonation in soda.

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

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

This science fair project idea determines which method of hand cleansing is the most effective.

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

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

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

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

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

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.

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.

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

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

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.

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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