This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Free science fair project idea examining how different types of water affect plant germination and growth.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This project explores whether music affects the growth and health of plants.

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

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

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

This project will explore whether music influences physical endurance.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

This science fair project idea explores whether certain physical and mental traits run in the family.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

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

Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

This project will examine the relationship between materials and air resistance.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.