phon- photo- tele-

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