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