What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

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

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Determine whether the application of Febreeze will lower the bacterial count.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Examine the effect of pressure on carbonation in soda.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Explore the effect of wind speed on the burning rate of a candle.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

This science fair project idea measures physical dexterity as a function of temperature.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

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

This science project challenges high school students to study the linguistic evolution of text messaging.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.