Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

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

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

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

In this science fair project, students use the streak test to tell minerals apart from each other.

The purpose of this science fair project is to build a basic radio.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

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

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!

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

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

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea explores how length affects the weight a bridge can hold.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Find out whether matte or shiny nail polish lasts longer.

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

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

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

This science fair project idea examines the reason boats are shaped and engineered.

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