This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Find out which type of sponge holds the most water.

Find out whether matte or shiny nail polish lasts longer.

Find out which kind of bubble wrap fares best when put in impact.

Find out whether putting something on top of a plant will inhibit its growth.

The goal of this project is to create an exciting topographical map out of dough.

In this fun experiment, we'll find out how color affects heat absorption!

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

Check out this cool science fair project on identifying rocks and minerals for kids.

Find out whether a longer airplane will fly farther or a wider paper airplane.

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

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

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

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

Find out whether packaged seeds actually do expire in this new science fair project idea.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

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

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

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.