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