Magnets For You

Year 10 Certificate Science Assignment Task?

Can you please help me:
make a list of technology or devices that use waves and indicate for each one the type of wave (i.e which part of the electro-magnet wave or else) involved

cell phones
microwaves (that cook food)
lightbulbs (if you are considering waves instead of particles)
speakers! (audio sound)
electro-cardiogram devices

Physics & Electromagnetism : What Are the Uses for Electromagnets?

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