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 explores how the shape of a boat affects its density and how much weight it can float.

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 transform an egg into a glowing, bouncy "ball" that they can play with.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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

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.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

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

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

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

How powerful is the reaction between baking soda and vinegar? Find out here!

This science fair project idea explores substances that cause a bubble to last longer.

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

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Making your own glass cleaner is easy, effective and inexpensive!

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This science fair project teaches students about wilting and browning of salad greens.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

This science fair project idea determines what household items are good conductors of electricity.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

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

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.