Across
- 5. when one plate goes under the other, sinking into the mantle
- 7. the outermost layer of the earths layers
- 9. where magma comes out to form rocks
- 12. the supercontinent formed 300 billion years ago
- 13. used to reserch what you cant see in the depths of the ocean
- 14. the scientist who discovered continental drift
- 15. famous mountain ranges formed by convergent boundaries
- 16. core the layer above the inner core
- 18. when two plates collide
- 19. a fault line in California
- 20. when pieces of earth diverge on land
- 21. a representation of an object or process
Down
- 1. breaks in earths crust where rocks have slipped past each other
- 2. the amount of space a object takes up
- 3. earthquakes, erosion, and tornadoes are examples of these
- 4. when two plates come apart
- 6. the innermost part of earth
- 8. when two plates slip past each other
- 10. a ridged layer made up of the uppermost part of the mantle and crust
- 11. the largest part of the earths layers
- 17. very old rock