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