Across
- 2. The solid backing put onto the back of a mirror
- 4. a rule
- 6. A mirror that transmits on one side and reflects on the other
- 7. source something emitting light
- 8. The variable we measure
- 9. Matter that cannot be seen through
- 10. When light bounces off matter
- 11. To take in
- 13. Something emitting light
Down
- 1. Lets light pass through
- 3. The variable we can change
- 5. A diagram drawing or representation of how something works
- 12. A set of parts that function as a team
- 14. When light goes through matter