Across
- 1. When light bounces off a material
- 3. The layer on the back of the mirror
- 4. How things are organized, or a set of parts that work together
- 7. When you are able to see through an object
- 8. When light cannot go through matter
- 10. A part in the back of the eye that helps the brain\
- 11. A variable we can't change
- 12. A rule for a group
- 13. A diagram or project that show how things work
Down
- 2. Something that produces light
- 5. A variable we can change
- 6. When light hits an object and changes direction
- 7. When light goes through things
- 8. A piece of material that you can see through depending on the lights
- 9. When matter takes in the light