Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Give your budding young observers a chance to discover simple machines at use in their own home.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

This basketball project explores the best way to make the perfect shot every time.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

This science fair project investigates why the number of visible stars changes from place to place.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

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

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

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Test whether plants can grow without sunlight and water.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

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.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

This science fair project idea produces sounds by creating vibrations using different objects.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!