phon- photo- tele-

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Across
  1. 1. A device for transmitting sound
  2. 4. Using a scope to see things close up
  3. 5. Sound
  4. 7. Study of sounds used in speaking
  5. 8. Communicating from far away
  6. 10. Chemistry action of light
  7. 12. Hearing sound through an earpiece that goes on your head
  8. 14. Hearing sound through your ear
Down
  1. 1. Having a conference faraway
  2. 2. Mail that goes faraway
  3. 3. A portable telephone
  4. 5. An image of a person or object
  5. 6. Using light to copy paper
  6. 7. Plants using light as a source of energy
  7. 9. A device used to make sound louder
  8. 10. Light
  9. 11. Far
  10. 13. A TV broadcast