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

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

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

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 idea explores whether boiling and freezing water will have an effect on how much it weighs.

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

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This basketball project explores the best way to make the perfect shot every time.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

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.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.