Across
- 3. heat moving through liquids and gases
- 5. a natural source of light seen at night
- 8. burning material that gives light and heat
- 9. to move two things together to make heat
- 12. to damage something badly or make it stop working
- 16. a small cover worn over one eye
- 17. to arrive at or touch a place
- 20. heat moving through solids that are touching
- 21. energy that helps us to see
- 22. dirty air caused by smoke or burning
- 24. to be damaged or destroyed by fire or heat
- 25. a smooth surface that reflects light
- 26. light bouncing off a surface like a mirror
- 27. the bright part of a fire
- 28. to prepare food using heat
- 29. does not allow light to pass through
Down
- 1. something that moves on wheels and has lights
- 2. to produce something such as heat or light
- 4. allows some light to pass through
- 6. an artificial source of light on the road
- 7. large in amount or importance
- 10. natural light from the sun
- 11. energy that makes things warm or hot
- 13. a narrow line of light heat or energy
- 14. a dark shape made when light is blocked
- 15. allows all light to pass through
- 18. a large wheel with seats that gives off light at night
- 19. a piece of cloth used to cover the eyes
- 23. heat moving through rays or waves
- 24. cooking over an open fire outdoors