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

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

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

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Start your toy engines -- this is going to be a fast and friction-filled race!

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

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

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

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

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

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

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

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.