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How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This biodiversity project examines the biodiversity in your own backyard.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

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 surprisingly good glue recipe comes from common kitchen items.

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

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

This science fair project idea determines which method of hand cleansing is the most effective.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

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

Do you think heat can affect a plant's growth rate?

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

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!