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Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate 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.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

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

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

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

This science fair project idea determines what household items are good conductors of electricity.

Science fair project that determines whether mass and weight are the same or different.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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

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

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

This science fair project idea determines the probability of a coin landing heads or tails.

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

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.