Basic Units

P.I.R.A. #: 1A 10.10

Demonstrates: Basic units of mass, length and time.

Description: Shows basic units of mass, length and time.
Click to Enlarge Image
Quicktime Video
Condition: good. Size: varies. Hazard: none.

Instructions: Show class the relations between the various units of mass, length & time.
Items Used: 1 lb. & 1 kg. mass, 1 m. & 1 yd. stick, stopwatch, scale.
Notes: Other combinations of mass & length available.
Schematic: none. Tech Specs (PDF format): none.
Mathematical Description / Measured Results: 1 lb. = 2.2 kg. | 1 m. = 39.37 in.

Web Links:

www.bipm.fr

History:

www.bipm.fr

www.unc.edu/~rowlett/units/metric.html