Unit P.5 (Round 3)
Electromagnetic Radiation

How do we use radiation in our lives, and is it safe for humans?

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Unit Resources and Lesson Documents

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Unit Resources 

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How does energy transfer through a wave?                                                                                                                        

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What happens to the energy of the microwaves when they reach the window?                             

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Why do some substances (and mixtures) heat up faster than other materials in a microwave oven?

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How are we using ionizing EMR in a way that is safe and how can we protect ourselves while using it?                                    

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How does a microwave oven use electricity to make microwaves?                                                                          

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What happens to all the energy that is being transferred into the space inside the oven by microwave radiation?

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What other types of EMR are there and how do we use them?

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How can the same type of EM radiation that we use to heat our food also be used to communicate across long distances?

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How do microwaves heat up food?

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How do changing electric and magnetic fields function as a wave to transfer energy from an antennae?

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Why do we see the hot and cold patterns we do in the microwave?                                                                      

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Why does higher frequency electromagnetic radiation harm living organisms?

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What about 5G, is it safe?