In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Discover whether a metal will expand under hot water.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

In this project children practice the scientific method while playing with puffy paint.

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

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

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

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

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

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

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

This project investigates the affect of storage temperature on microwave popcorn.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Explore if planting seeds in a certain direction will affect how fast it germinates.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Find out which kind of bubble wrap fares best when put in impact.

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

This science fair project explores how osmotic pressure forces water through the root up into the plant.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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