Across
- 1. make things visible
- 4. to represent the direction of light
- 6. when light bounces off many objects to to your eye
- 9. to give off light
- 10. to make symbols into letters
Down
- 2. to shine light on a object
- 3. how you see objects
- 5. illuminate light reflects off a object to your eye
- 7. to make letters into symbols
- 8. a system of letters and symbols