This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

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

Discover whether a metal will expand under hot water.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

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

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Is your child a young ornithologist in the making?

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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.

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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Cleaning can be a chore, but not with this sudsy experiment!

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

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.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

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