Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

This science fair project investigates why the number of visible stars changes from place to place.

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

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

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

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

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

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

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

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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!

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.