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