Main Idea: Each type of EM wave poses a certain degree of risk and danger to people and environment. Explore how your life is affected by EM radiation by keeping an “electromagnetic journal” for one week. Record each time you observe or come in contact with EM radiation such as listening to radio, talking to your mobile phone or getting a sunburn. Record the date, time and a one-sentence explanation of the incident and the type of EM radiation that you have observed.
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