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.

By the end of this section, you will be able to do the following: Perform unit conversions in both SI and English units, Explain the most common prefixes of SI units, and be able to write them in scientific notation.

A comprehensive guide for learning all about measuring weight with definitions, units of measurement, and conversion.

Look to this site for many important numbers and conversion factors used between the metric system and the customary system, such as speed of light, body temperature, distance from sun to earth, plus more.

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?