Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Construct batteries that make electricity from fruits with this fun science fair project.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

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

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

The project investigates how friction affects motion by using different surface textures.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea produces varying pitches of sound.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

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

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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!

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Have your child kick off their summer vacation by making a miniature water slide!

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

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.