Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Find out whether people within a family tend to have matching fingerprints.

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

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Is it a square or a circle? See if you can trick your friends with this zany science project!

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

In this project students experiment with making music using only glasses of water.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

This science fair project idea explores substances that cause a bubble to last longer.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.