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.How does this special kind of switch work? Can you build one yourself? This activity shows you how to build a model of one and to use it to turn a light off and on. The switch requires a special electric cable. Most electric cables have two wiresanbsp;...
|Title||:||How Everyday Things Work|
|Publisher||:||Walch Publishing - 1992-01-01|