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

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

This science fair project teaches students the differences between fruits and vegetables.

In this activity your child will create their very own marble maze!

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Discover whether cold or hot water from the faucet will boil faster on the stove.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this activity, your child will be challenged to make a tower using paper cups.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Learn about this simple machine and make a pulley of your own to use for fun science trials.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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

Start your toy engines -- this is going to be a fast and friction-filled race!

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

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

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea investigates how magnetism can defy the force of gravity.

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.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

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 make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.