Tectonic Plate Crossword

4. the scientific study of earthquakes and elastic waves that pass through the earth.
6. The outermost shell of the earth.
8. Innermost part of the earth.
11. Boundary where two tectonic plates slide past each other causing earthquakes.
12. the solid part of the earth consisting of the crust and the outermost mantle.
13. Crust that houses an ocean basin.
14. Boundary where two tectonic plates collide creating a mountain or subduction zone.
16. Supercontinent that existed 175 million years ago before breaking apart and forming the continents we know today.
18. The region of the interior of the earth between the core and the crust.

1. Scientist who created the Theory of Plate Tectonics.
2. The upper layer of the earths mantle, below the lithosphere, where convection is though to occur.
3. Boundary where two tectonic plates divide letting magma fill the pace creating new crust.
5. When one plate is forced beneath another into the mantle.
7. Large natural elevation of the earths surface rising abruptly from the surrounding level.
9. Crust made up of rock that forms the continents.
10. A vent in the crust of the earth from which molten rock, ash, and steam are ejected.
15. A sudden movement of the earth's crust caused by stress along a geologic fault.
17. An area of stress in the earth where broken rocks slide past each other causing a crack in the earths surface.
18. Molten rock when it is underground.
19. What magma is called when it reaches the surface of the earth.