Instructional module focusing on the importance of unit conversion in science. Discussion includes unit consistency and dimensional analysis. Site also includes an interactive practice quiz and links relating to the topic.

During the 100 meter dash in the 1988 Olympic Games in Seoul, Florence Griffth-Joyner was timed at 0.91 seconds for 10 meters. At that speed, could she pass a car traveling 15 miles per hour in a school zone?