Unit 8 word play

1234567891011121314151617
Across
  1. 3. the solid part of the earth
  2. 6. living part of earth
  3. 7. the movement of air
  4. 9. the total amount of water on the earth
  5. 10. resources that cannot be replaced
  6. 12. material to produce power by burning
  7. 13. the presence of frozen water
  8. 14. able to be replaced by natural cycles
  9. 16. the process of obtaining coal or minerals
  10. 17. process involving heating
Down
  1. 1. uses the natural flow of moving water for electricity
  2. 2. has blades and spins in wind, water, or steam
  3. 4. converts mechanical energy into electrical energy
  4. 5. changes as a result
  5. 8. isn’t changed by the other variables
  6. 11. community of living organisms
  7. 15. organic material that comes from plants and animals