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