Crossword

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Across
  1. 2. planet that is the third in order from the sun
  2. 3. openings where lava comes out of
  3. 8. a thing that is composed of two or more separate elements
  4. 9. a layer inside a planetary body bounded below by a core and above by crust
  5. 11. large natural elevation of earths surface rising abruptly
  6. 12. a sudden violent shaking of the ground
  7. 14. moving towards each other
  8. 17. study of structure and behavior of the physical and natural world
  9. 18. the rigid outer part of the earth
  10. 20. innermost part of the earth
Down
  1. 1. deformation of the rocks that make up earths crust and the forces that produce such deformation
  2. 4. downward movement of the edge of a plate of earths crust
  3. 5. got fluid or semi fluid material within earths crust
  4. 6. outermost shell of a terrestrial planet
  5. 7. moving or extending in different directions from a common point
  6. 10. flat elevated land form that rises sharply above the surrounding area on at least one side
  7. 13. to change in composition or structure
  8. 15. atmosphere at a given time and place
  9. 16. an expert in geology
  10. 19. continuous body of salt water