Our Warming Planet

123456789101112131415161718192021222324
Across
  1. 2. laughing gas
  2. 5. normal weather
  3. 6. makes our planet hotter and hotter
  4. 8. humans cut it for paper ; bark
  5. 12. Used in vehicles as fuel
  6. 14. management
  7. 16. black sedimentary rock with high carbon
  8. 17. Electricity is produced here
  9. 19. everyday actions in a short period of
  10. 20. odorless, flammable gas
  11. 21. used as solvent in perfumes
  12. 23. continental glacier
  13. 24. heavier than gasoline
Down
  1. 1. It traps heat
  2. 3. that is hot/cold
  3. 4. occasional temperature check
  4. 5. gas that plants use in photosynthesis
  5. 7. local causes
  6. 9. layer of gases
  7. 10. Another term for petrol
  8. 11. drastic weather changes
  9. 13. precipitation falling
  10. 15. produced from evaporation
  11. 18. breeze
  12. 21. discharge
  13. 22. lubricate