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

This science fair project idea examines which type of insulation holds in the most heat.

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

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea investigates the hardness property of minerals.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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 idea determines what household items are good conductors of electricity.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

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

This science fair project idea determines what household items are good conductors of electricity.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This science fair project idea investigates the difference in reaction times between boys and girls.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

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