The Way Things Work
SensorsUnknown - 2003
A family of Mammoth Islanders remodel a quaint old lodge in the mountains and decide that the old building could use some modernization. A visiting inventor suggests sensors, and explains the principles behind different types of sensors that respond to heat, light, sound, pressure, magnetism, or motion.
Publisher: Wynnewood, PA : Schlessinger Media, , c2003
Characteristics: 1 videodisc (13 min.) : sd., col. ; 4 3/4 in. + 1 teacher's guide
Alternative Title: Sensors
Call Number: DVD J 621.3 WAY