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

Word color association is just a fancy way to talk about the way we connect colors with words.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

This science fair project will help students learn about non-vascular plants, such as mosses.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

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

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.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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

People have favorite flavors, but what about ants? Which ant food is the most popular?

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

The objective of this science project is to determine the length of time for different seeds to germinate.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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

This project examines whether people's taste perception is influenced by what they see.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.