Across
- 1. Good reflector
- 2. Black and smooth
- 5. Energy that travels as a wave and requires no physical medium
- 9. Random, low speed
- 10. Anything that changes
- 11. shiny surface
Down
- 1. Vibrate, fixed position
- 3. mat surface
- 4. Movement
- 6. Taking in
- 7. Give off
- 8. The heat bounces off shiny objects
- 12. Random, high speed