Across
- 2. What people smoke
- 5. Made under ground over millions of
- 7. Caused by fires
- 9. Makes electricity and pollution
- 11. Made by our sun
- 12. What you toast marshmallows over
- 15. A huge fire
- 16. Mix of smoke and fog
Down
- 1. What we breathe out
- 3. Lets people travel long distances
- 4. Fuels cars
- 6. How to make gas
- 8. Protects people
- 10. Alternative to gas but worse
- 13. Used in lightbulbs
- 14. used in cars