In this science fair project, students use the streak test to tell minerals apart from each other.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Test whether plants can grow without sunlight and water.

Test your friends to find out if you can replicate the placebo effect's incredible results.

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

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This science fair project examines how seeds hitchhike on animals and clothing.

This project determines what category of person is most likely to be ticklish.

This project examines whether people's taste perception is influenced by what they see.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Using a toy race car kids create a visual model of the Doppler Effect.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Is it a square or a circle? See if you can trick your friends with this zany science project!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.