Most students perceive household appliances as "black boxes" that simply work when plugged in. In order to understand the science of electrical devices, students build simple electric motors for a hands-on investigation of what's going on inside the "black boxes." In this activity students are able to see firsthand the relationship between electricity and magnetism, or electromagnetism, and how these forces are a part of everyday life.
Details
Type Journal ArticlePub Date 2/1/1999Stock # ss99_022_05_12Volume 022Issue 05