Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This science fair project idea examines whether boys and girls differ in reflexes.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

Here's a pressed leaf card project that puts science and writing together for your second grader.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

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

Use pepper and soap to discover some fun facts about the properties of water.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

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

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Construct and experiment with a periscope using reflected light rays to gather an image.

Multiple-choice test questions can be confusing. Here's a toolbox of tricks and strategies to help your teen become a multiple-choice master.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.