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 science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.