In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

This project compares the strength of one, two, and three-ply toilet paper.

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

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

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

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

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

Will increasing the amount of salt in water effect how slow or fast the water freezes?

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

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

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

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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

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

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

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.