Y9 Waves Revision

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Across
  1. 2. carries electric signals from the eye to the brain
  2. 7. distance between one crest to the next
  3. 8. The outer ear
  4. 10. ___ internal reflection
  5. 11. this EM Wave is used for mobile phone technology
  6. 12. The bending of light
  7. 13. Longest wavelength of the EM Spectrum
  8. 14. Concave lens cause light to _____
Down
  1. 1. Sound is a type of this wave
  2. 3. the ray heading towards the mirror
  3. 4. Waves carry ______ without transferring matter
  4. 5. The part of the EM Spectrum that humans can see
  5. 6. Has the highest energy in the EM Spectrum
  6. 8. the 3 colours that form white light
  7. 9. lens that bulges outwards