Vision Learning
Visionlearning: General Science: Metric System: Metric and Scientific Notation
Instructional module focusing on the metric system. Discussion includes the historical development of the system and an explanation of base units. Site also includes an interactive practice quiz and links relating to the topic.
Science Struck
Science Struck: Metric System Chart for Kids
This resource explains the structure of the metric system of measurement; the basic units of measurement for length, volume, and mass; and provides charts for each type of measurement. A chart of customary US units is also given.
Science Struck
Science Struck: Metric Measurements: Units and Conversions
Discusses how the metric system of measurement was developed and provides tables of unit conversions within the metric system, within the Imperial system, and between the two systems.
ibiblio
Ibiblio: How Many? A Dictionary of Units of Measurement
The Center for Mathematics and Science Education at the University of North Carolina at Chapel Hill provides an interesting and easy-to-use dictionary of the history and meaning of many measurement terms. Metric, International, and...
Other
Conversions for Weight Measurements
This site allows you to convert weight/mass measurements. For example converting tons to grams. CCSS.Math.Content.3.MD.A.2 Measure and estimate liquid volumes and masses of objects using standard units