Across
- 3. light bends when it is...
- 5. block of wood is opaque
- 6. which travels more quickly
- 8. what type of waves are light
- 11. what type of reflection is seen in a mirror
- 12. a dark shaped caused when an object blocks light
- 14. objects that cannot make their own light
- 15. light travels in a ... line
Down
- 1. blocks light from passing through it
- 2. light bounces when it is ...
- 4. can travel through space
- 5. if an object allows all light to pass through it, it is said to be..
- 7. not easy to see through it
- 9. straight lines of light
- 10. I can travel through solids, liquids, and gases.
- 13. sound is produced by