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