Across
- 2. to give off light
- 4. when light shine on an object
- 5. when light rays bounces from one object then into the eye
- 7. the natural source that makes things visible
- 9. how the object looks like when being place in a specific place
- 10. to make the letters into symbols
- 11. a strait line that shows the direction that the light is showing / going
Down
- 1. when the light rays bounces from objects to objects then in the eye
- 3. to make the symbols into letters
- 6. a system that uses signals and symbols to communicate
- 8. to send out a signal