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.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

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.

Learn all about balance and motion as your child designs a corn maze!

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

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.

Here's a science activity to help your child investigate how seeds are designed to travel.

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

People have favorite flavors, but what about ants? Which ant food is the most popular?

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.

In this science fair project, young children discover what happens when two fluids that have different densities get together.