This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This science fair project idea compares biodiversity between drops of water.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

In this science fair project, students use the streak test to tell minerals apart from each other.

The purpose of this science fair project is to build a basic radio.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Find out whether matte or shiny nail polish lasts longer.

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

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.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

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

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Discover whether a metal will expand under hot water.

This science experiment tests if dog saliva can really help heal wounds.

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

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.