Across
- 3. when you find the message
- 4. when light is directed into your eyes
- 6. the direction of light
- 7. a language of dots and symbols
- 9. when letters can be heard
- 10. when light bounces off an object
Down
- 1. the way you look at something
- 2. something that sends messages
- 5. something that gets the message
- 8. when letters are on electronics
