P1e: Cooking and Communicating Using Waves.
All radiations in the electromagnetic spectrum can be dangerous but they also have many uses. Infrared radiation and microwaves are useful for cooking since they cause heating in objects that absorb them. Microwaves are used for mobile phone communications. This item develops ideas about the properties of infrared and microwave radiation and examines their dangers and uses.
- Created by: livgrocott987
- Created on: 06-03-15 21:39
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