Electricity: How It Works.
Titre:
Electricity: How It Works.
Sommaire:
Examines basic ideas about electricity: from what it is, what it can do, how we use its properties, how we can deliver more and how we can measure things about it.
Date de publication comme intervalle:
1900-1999
Description matérielle:
Videocassette, 16 min., teacher's notes.
Informations de publication:
Coquitlam, British Columbia : Classroom Video
