In this project students experiment with making music using only glasses of water.

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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 explores the egg's thin membrane.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This project determines what category of person is most likely to be ticklish.

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

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

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

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

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

Do different types of oil mix or stack? Find out in this science fair project idea!

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This science fair project idea demonstrates that plants give off water.

Test whether plants can grow without sunlight and water.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

This science fair project idea investigates the difference in reaction times between boys and girls.

This biodiversity project examines the biodiversity in your own backyard.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.