Download Plate Tectonics.common.assessment.studyguide

Name (Last, First) ___________________________
Ms. Moise
November 10, 2011
Academic Period ___
Plate Tectonics Common Assessment Study Guide
1.
The layer of the earth that is made of igneous rock (i.e. granite and basalt) is _____________________.
2.
Name the four main layers of the Earth in order (start at the Earth’s surface) ___________________
_________________ ___________________ ___________________
3.
How do geologists observe Earth's interior?
_____________________________________________________________________________
4.
As the depth beneath Earth’s surface increases, what happens to the temperature and pressure?
____________________________
5.
Describe Earth’s mantle and inner core.
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6.
What is heat transfer?
_______________________________________________________________________
7.
Where do convection currents take place? ____________________________________
8.
Define Pangaea
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9.
What is the continental drift theory?
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10. What evidence did Alfred Wegner use to support his continental drift theory?
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11. Why did scientist reject Wegner’s theory? __________________________________________________
12. What is a mid-ocean ridge? ___________________________________________
13. What is subduction? _______________________________________________
14. What do scientists believe causes the plates to move? ________________________
15. When two continental crust plates collide, what do they produce? ______________________________
16. Define transform boundary. _________________________________________________
17. Define convergent boundary ________________________________________________
18. Define rift valley _________________________________________________________
Answers
1. Crust
2. crust, mantle, outer core, inner core
3. by recording and studying seismic waves
4. they both increase
5. a layer of hot rock and a dense ball of solid metal
6. When you touch a hot pot or pan, the heat moves from the pot to your hand (example)
7. Mantle or asthenosphere
8. the name of the supercontinent that existed millions of years ago
9. the continents were once joined together in a single landmass
10. evidence from landforms, fossils, and climate
11. Wegener could not identify a force that could move the continents.
12. A long, undersea mountain chain that forms along the floor of major oceans
13. The process by which the ocean floor sinks through a deep-ocean trench and back into the mantle
14. convection currents in the asthenosphere
15. Mountain Range
16. A place where two plates slip past each other, moving in opposite directions,
17. The place where two plates come together
18. forms where two plates diverge