G8 3.1 VAK Crossword

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Across
  1. 5. Besides heating food, _____________ are used by cellular phones.
  2. 6. Between us and the sun lies Earth's ________________.
  3. 7. spectrum All of the frequencies or wavelengths of electromagnetic radiation
  4. 10. The sun gives off huge amounts of _________ in the form of EM radiation
Down
  1. 1. Electromagnetic wavelengths immediately outside the red end of the visible spectrum
  2. 2. Electromagnetic wave frequencies immediately above the visible range
  3. 3. The transfer of energy as EM waves
  4. 4. Like all waves, light has ______________.
  5. 8. ______ ______ have the longest wavelengths.
  6. 9. When an electrically charged particle vibrates, it disturbs the electric and _____________ fields around it.