Across
- 4. when light shines on an object
- 5. to use a code to convert letters into symbols
- 8. when light rays from a source reflect off an object to the eye
- 10. to convert information (e.g., text, sound, an image) into an on-off code (e.g., dots and dashes, 1's and O's) that can be read by or stored on an electronic device
- 11. to send out a signal (by radio waves)
Down
- 1. when light rays from a source reflect off one or more components of a system before reflecting off an object to the eye
- 2. the appearance of objects to the eye with respect to their relative distance and position
- 3. to use a code to convert symbols into letters (words)
- 6. a system of signals or symbols used to communicate
- 7. to give off light (from a light source)
- 9. a model of light that represents the direction light can travel