What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This biodiversity project examines the biodiversity in your own backyard.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

This science fair project idea demonstrates the process of land erosion.

This project is about after-images and what possibly affects them.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

Study the physical and chemical changes that make hair curl or straighten. Study ingredients, function of chemicals like thioglycolic acid.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

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 investigates if webbed feet help a duck (and others) swim.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

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

Science fair project that demonstrates how stalagmites and stalactites are formed.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

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

This experiment will examine and precisely measure the amount of sugar in various sodas.

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

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

In this project, you'll create Oersted's experiment, which relates to how electric currents create magnetic fields.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

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!

Science fair project that cultivates slime mold and monitors the stages of its development.

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

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

Make a backbone model to explore human anatomy and life science.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.