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.

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

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

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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.

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 science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

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.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.