Plate motion

4. a layer of the interior of the Earth
11. liquid, iron-nickel layer of the Earth between the solid inner core and lower mantle
12. a large body of water on the earths outer layer
14. the mostly solid bulk of Earth's interior.
15. a sudden shaking of the ground
16. when two plates slide
18. the dense center of Earth
19. two plates going towards each other

1. driven cycles that occur in the air, ocean, and mantle
2. a portion of the Earth's mantle that flows like molten plastic despite being solid.
3. the solid, outer part of Earth
5. a large extinct marine reptile
6. the part of the Earth's crust that makes up the seafloor
7. the layer of granitic, sedimentary, and metamorphic rocks, which form the continents and the areas of shallow seabed close to their shores
8. the liquid inner layer of the earth from 400 to 1,800 miles below the surface
9. two plates moving away from each other
10. a large continuous mass of land conventionally regarded as a collective region
13. Areas where the plates meet
17. explodes magma out of the top of this