Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Learn whether writing things down really makes things easier to remember.

Find out whether putting something on top of a plant will inhibit its growth.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

This science fair project idea investigates the hardness property of minerals.

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

How much gas is released into your stomach by your favorite beverages? This project examines which beverages produce the most gas.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

Science fair project that cultivates slime mold and monitors the stages of its development.

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers

This science experiment has students test whether a snail moves faster on concrete or dirt.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Science fair project that determines whether brain size is correlated with intelligence.