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Earth Science--Vocab Terms Name:______________________________ Chapter 7-Plate Tectonics Date:____________________Period:_____ Use the following list of vocabulary terms to complete each statement. Crust Strike-slip fault Transform boundary Continental drift Mantle Stress Plate tectonics Sea-floor spreading Core Lithosphere Tectonic plate Reverse fault Compression Convergent boundary Asthenosphere Inner core Mesosphere Fault Folding Subduction zone Divergent boundary Normal fault Tension Outer core ____________________________ 1. A fault in which the two fault blocks move past each other horizontally. ____________________________ 2. A piece of the lithosphere that moves around on top of the asthenosphere. ____________________________ 3. The theory that the Earth’s lithosphere is divided into tectonic plates that move around on top of the asthenosphere. ____________________________ 4. The amount of force per unit area that is put on a given material. ____________________________ 5. The bending of rock layers due to stress in the Earth’s crust. ____________________________ 6. The boundary between two colliding tectonic plates. ____________________________ 7. The central, spherical part of the Earth below the mantle. ____________________________ 8. The layer of the Earth between the crust and the core. ____________________________ 9. Literally, the “middle sphere”-the strong, lower part of the mantle between the asthenosphere and the outer core. ____________________________ 10. The process by which new oceanic lithosphere is created at mid-ocean ridges as older materials are pulled away from the ridge. ____________________________ 11. The boundary between two tectonic plates that are sliding past each other horizontally. ____________________________ 12. A fault in which the hanging wall moves down relative to the footwall. ____________________________ 13. The type of stress that occurs when an object is squeezed. ____________________________ 14. The thin, outermost layer of the Earth, or the uppermost part of the lithosphere. ____________________________ 15. The solid, dense center of the Earth. ____________________________ 16. The liquid layer of the Earth’s core that lies beneath the mantle and surrounds the inner core. ____________________________ 17. The theory that continents can drift apart from one another and have done so in the past. ____________________________ 18. A fault in which the hanging wall moves up relative to the footwall. ____________________________ 19. The type of stress that occurs when forces act to stretch an object. ____________________________ 20. A break in the Earth’s crust along which two blocks in the Earth’s crust slide relative to one another. ____________________________ 21. The boundary between two tectonic plates that are moving apart from each other. ____________________________ 22. The region where an oceanic plate sinks down into the asthenosphere at a convergent boundary, usually between continental and oceanic crust. ____________________________ 23. The outermost, rigid layer of the Earth that consists of the crust and the rigid upper part of the mantle. ____________________________ 24. The soft layer of the mantle on which pieces of the lithosphere move.