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.

This science project teaches students to classify different shapes of leaves.

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.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

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.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

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

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

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.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Find out whether matte or shiny nail polish lasts longer.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

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.