Mountains

123456789
Across
  1. 2. the main topic of this crossword
  2. 3. opening or rupture in a planets surface or crust
  3. 4. worlds highest mountain
  4. 5. how high something is above sea level
  5. 6. people who live in the Himalayas
  6. 9. type of mountain caused when enormous underground pressure forces a whole lot of rock to break away
Down
  1. 1. lines on a map that join places of equal altitude
  2. 5. direction in which something is facing
  3. 7. word used to describe a bunch of mountains together
  4. 8. type of mountain that is caused when sedimentary rocks to move into a bunch of folds