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.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

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!

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

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!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

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.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

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.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

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

Teach your child how butter is created by shaking up cream the old-fashioned way.

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?