What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

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

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

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

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Find out whether matte or shiny nail polish lasts longer.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

This science fair project idea determines the most effective method of preserving food.

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

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

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

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

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

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

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

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

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.

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.

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

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.