This science project allows students to study the psychology of happiness.

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

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

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project idea provides evidence that air is everywhere and takes up space.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project idea explores the egg's thin membrane.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

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

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Examine the effect of pressure on carbonation in soda.

The objective of this science project is to determine the length of time for different seeds to germinate.

Discover which fabrics shrink the most in the wash and why.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea explores how length affects the weight a bridge can hold.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

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 are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This science fair project idea explores alcoholic fermentation at work by making your own soda.