In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

This science research project challenges students to think of more effective lobster farming methods.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Discover which method for odor removal words the best for stifling refrigerator odors.

This science project allows students to study the psychology of happiness.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

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

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This science project helps students gain understanding of bioluminescence, the phenomenon that allows fireflies and glow worms to give off light.

This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This project involves the development of a website using free software online to promote the value of science.

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Plants and light seem to be good buddies, but how far does the friendship really go?

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

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

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

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

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

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

This science project examines the history of earthquakes and what we can do to prevent future disasters.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.