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Study Guide Unit D-1
Earth’s Layers
1. List 3 processes that causes the Earth’s surface to change?
__________________________________________________________
2. The large stiff plates of the Lithosphere float on the Asthenosphere because of
_______________________________
3. The temperature inside the core is over 5500 C (10,000), but the core remains
solid because
________________________________________________________
4. The thinnest layer of the Earth is the ___________________.
5. Draw a transform fault boundary.
6. Draw a divergent boundary.
7. Draw a convergent boundary.
8. Which layer of the Earth has the hottest temperature? ______________________
9. Which layer of the Earth has a zone of partially melted rock?
______________________
10. Earth’s crust moves _________________________
11. About 200 million years ago, today’s continents used to be one supercontinent.
Before that they ___________________________________________________.
12. Scientists predict that someday San Francisco will be off the coast of Alaska
because ______________________________________________________
13. The pacific plate is Earth’s largest plate. It is named the Pacific Plate because
_____________________________________________________________.
14. Define Plate
tectonics.__________________________________________________________
15. At which type of plate boundaries do volcanoes form?
_____________________________________________________
16. What does the Richter scale measure?
_________________________________________________
17. Which earthquake waves cause the greatest amount of damage to buildings, roads,
and other surface features? ____________________________________
18. What commonly occurs along a transform boundary_______________________.
19. What causes a new sea floor to form? ___________________________________
20. Read the following sentence: Plates move away from each other along a divergent
boundary. What does the word diverge mean? ___________________________
21. Define earthquake: ______________________________________________
22. Define surface wave: ________________________________________________
23. Define S wave: _________________________________
24. Define P wave: _________________________________________
25. On which layer of Earth do humans live? ________________________________
26. The thickest layer of Earth is the ___________________________.
27. Earthquakes are associated with __________________________.
28. The plates of the lithosphere float on the ________________________.
29. The lithosphere includes what? ______________________________
30. Draw a picture of the Earth and label the outer core, inner core, mantle and crust.