In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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.

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

Test your friends to find out if you can replicate the placebo effect's incredible results.

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

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

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

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

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

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

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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!

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

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

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

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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

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

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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.