How Everyday Things Work
By investigating common but perplexing phenomena such as squeaking doors and TV pictures, students learn how mechanics, electricity and magnetism, thermodynamics, and environmental science are relevant to their lives. 60 reproducible activities each describe a principle and then reinforce it through experiments or questions. Includes background information and answers.Light. Switch. Lights in rooms or halls often need to be turned on or off from two places. You want to turn on a light when ... Although you should never touch bare wires coining from electrical outlets in the wall, you can safely work with wiresanbsp;...
| Title | : | How Everyday Things Work |
| Author | : | Peter Goodwin |
| Publisher | : | Walch Publishing - 1992-01-01 |
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