What is Low Electromagnetic Energy? Flashcards Preview

Physical Science Grade 8 (Acellus) > What is Low Electromagnetic Energy? > Flashcards

Flashcards in What is Low Electromagnetic Energy? Deck (6)
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1
Q

electromagnetic energy…

A
  • transverse wave that has electrical and mechanical properties
2
Q

electromagnetic spectrum…

A
  • a range of all the electromagnetic energies in order of strength
3
Q

Low EM energy…

A
  • radio waves, micro waves, infra-red

- long wavelength, low frequency

4
Q

radio waves

A
  • used for communications
5
Q

micro waves

A
  • cellphone towers, radar guns, cooking
6
Q

infra-red

A
  • remote controls, thermal imaging cameras

- we feel heat

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