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Plate Tectonics

Plate Tectonics. By Mildred. Jeopardy. Page 5. Page 10. Page 11. Tectonics 1. Tectonics 2. $100. $100. $100. $100. $100. $200. $200. $200. $200. $200. $300. $300. $300. $300. $300. $400. $400. $400. $400. $400. $500. $500. $500. $500. $500.

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Plate Tectonics

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  1. Plate Tectonics By Mildred

  2. Jeopardy Page 5 Page 10 Page 11 Tectonics 1 Tectonics 2 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500

  3. What kind of boundary exists between the Pacific and Indian-Australian plates? A convergent boundary

  4. What kind of geological feature is usually located where two oceanic plates converge? A trench

  5. The Hawaiian Islands chain was formed as the pacific plate moved over a..... Hot Spot

  6. Along which kind of boundary is new sea floor being added? A divergent boundary

  7. What kind of boundary exists along the California coast? A transform boundary

  8. At what depth in the earth is the interface between the asthenosphere and the stiffer mantle? About 600-700 km

  9. What is the probable composition of the inner core? Iron and nickel

  10. What is the pressure at a depth of 3600 km in the earth? 2 million atmospheres

  11. DAILY DOUBLE

  12. About how thick is the earth's outer core? About 2200 km

  13. What is the melting point of the rock at a depth of 1000 km? 4000 - 4100 degrees C

  14. How long will it take P waves to travel to a seismic station that is 4000 km from the epicenter? 7 minutes

  15. It takes S waves 13 minutes to travel from an epicenter to a seismic station. How long will it take P waves to reach the same station? 7 minutes 20 seconds

  16. A seismic station is 7000 km from an epicenter. How long after P waves arrive will S waves arrive? 8 minutes 40 seconds

  17. P waves arrive at a seismic station at 1:22:00. S waves from the same earthquake arrive at 1:26:20. What is the distance from the epicenter to the seismic station? 2800 km

  18. The difference in arrival times between P and S waves is 9 minutes. If the P waves arrived at 4:56:00, what time did the quake occur? 4:46:00

  19. What term describes the process by which one plate dives beneath another? Subduction

  20. What kind of rock makes up most of the contenents? Granite

  21. As distance from a mid-ocean ridge increases, the age of the sea floor Increases

  22. What force causes the plates to drift? Convection currents in the mantle.

  23. Where are earthquakes and volcanoes most likely to be found? Along plate boundaries

  24. What kind of rock makes up most of the sea floor? Basalt

  25. The study of the magnetic properties of ancient rocks is called Paleomagnetism

  26. Why might a seismic station receive P waves but no S waves from a particular earthquake? The S waves could not pass through the liquid outer core.

  27. What geographic feature is likely to be found in regions where two continental plates collide? A mountain range

  28. What term describes a region on the earth's surface that receives neither P nor S waves from a particular earthquake? A shadow zone

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