Chapter 3

123456789101112131415
Across
  1. 2. A group of parts that work together as a whole
  2. 7. Dark, fine-grained rock
  3. 9. Forces that wear down or destroy landmasses
  4. 12. uppermost part of the mantle
  5. 13. The ability to do work
  6. 14. thin envelope of gases that forms Earth's outer layer
  7. 15. Light colored rock that has coarse grains
Down
  1. 1. Forces that construct or build up mountains
  2. 3. middle layer of Earth, very hot but solid
  3. 4. Results from force pressing down on an area
  4. 5. Contains all of Earth's water
  5. 6. Produced by earthquakes
  6. 8. Part of Earth that has a metal core, solid middle, and rocky outer layer.
  7. 10. The outer layer of solid rock where people live on
  8. 11. part of Earth that contains all living organisms