What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Think about the adaptive utility of an important aspect of our physiology.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Science fair project that determines how we can change potential energy into kinetic energy.

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

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

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

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

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Compare the ignition rates of various types of flame-retardant materials.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

This science fair project idea investigates the relationship between memory and age.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

This science fair project idea discovers the average time it takes for a person to remember something completely.