ELECTROMAGNETIC RADIATION

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Across
  1. 3. – Number of colours in the visible spectrum
  2. 5. – Light with frequency just higher than visible light
  3. 7. – Type of EM wave used in thermal imagining
  4. 11. – EMR with long wavelengths have low _________.
  5. 13. – _______ radiation: don’t need particles to travel
  6. 14. – Type of EM wave used in cooking food
  7. 16. – Used to sterilise hospital equipment
  8. 17. – Colour that comes just before green in the spectrum
Down
  1. 1. - _______ light: the band of the Electromagnetic Spectrum that we can see.
  2. 2. – number of waves that pass a given point
  3. 4. – Colour with the shortest visible wavelength
  4. 6. - the distance between corresponding points on an adjacent waves.
  5. 8. – Longest wavelength in the visible spectrum
  6. 9. – Type of wave used in hospital scans (1,3)
  7. 10. – Power of ten in the speed of light: 3 × 10^? m/s
  8. 12. – Highest energy electromagnetic radiation
  9. 15. – Electromagnetic wave with lowest frequency