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

In this project, you will observe and record changes in sunspots over two weeks.

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.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

This science fair project idea explores which fruit molds the fastest.

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 activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

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.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

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.

Here's a science activity to help your child investigate how seeds are designed to travel.

Construct batteries that make electricity from fruits with this fun science fair project.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This science fair project idea explores whether color affects a person's emotional state.