Plate Tectonics

8. where plates slide sideways past each other
9. the mechanically weak and ductile region of the upper mantle of Earth.
11. relating to earthquakes or other vibrations of the earth and its crust.
12. the outermost shell of a terrestrial planet.
13. formed from the cooling and solidification of molten (melted) rock.
14. the rigid, outermost rocky shell of a terrestrial planet or natural satellite.
15. study the materials, processes, and history of the Earth.
16. a tectonic plate covering most of North America, Cuba, the Bahamas, extreme northeastern Asia,
17. the molten or semi-molten natural material from which all igneous rocks are formed.
18. the science that deals with the earth's physical structure and substance, its history, and the processes that act on it.
19. an oceanic tectonic plate that lies beneath the Pacific Ocean.

1. The process in which one lithospheric plate collides with and is forced down under another plate
2. an oceanic tectonic plate in the eastern Pacific Ocean basin off the west coast of South America.
3. linear feature that exists between two tectonic plates that are moving away from each other.
4. the floor of a sea or ocean
5. hot molten or semifluid rock erupted from a volcano or fissure, or solid rock resulting from cooling of this.
6. When two plates come together,
7. a large plume of hot mantle material rising from deep within the Earth.
10. a tectonic plate that includes most of the continent of Eurasia,