1. Plate Tectonics Jeopardy
Earth Layers
Tectonic Plates
Boundaries
Short Answer
Potpourri
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Final Jeopardy

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©Norman Herr, 2003

3. A-100
QUESTION : Upon which part (layer) of the Earth do tectonic plates move?
ANSWER : Asthenosphere

4. A-200 QUESTION: Which layer is the thickest and strongest layer?
ANSWER: Mesosphere

5. A-300 QUESTION: Which earth layers are liquid? Which are solid?
ANSWER: Liquid: Outer core and asthenosphere Solid: Lithosphere, Mesosphere, Inner core

6. A-400 QUESTION: What makes up less than 1% of earth’s mass?
ANSWER: Continental and Oceanic Crust (there are only 2 types of crust)

7. A-500
QUESTION: Which physical layers would you pass through if you were drilling to the center of the earth?
ANSWER: Lithosphere (rock sphere), asthenosphere (weak sphere), mesosphere (middle sphere), outer core, inner core

8. B-100 QUESTION: This drags tectonic plates sideways.
ANSWER: Convection

9. B-200
QUESTION: This causes plates to slide down the lithosphere-asthenosphere boundary.
ANSWER: Ridge push

10. B-300
QUESTION: Oceanic plates are forced downward because they sink and are pulled.
ANSWER: Slab pull

11. B-400
QUESTION: Hot material rises and cool material sinks in a circular motion.
ANSWER: Convection

12. B-500
QUESTION: Sea-floor spreading occurs at a _____. And what are the three ways that mountains can be formed?
ANSWER: Mid-ocean ridge. Folding, faulting, volcanism.

13. C-100
QUESTION: When two plates collide and a continental/continental boundary is an example.
ANSWER: Convergent boundaries

14. C-200 QUESTION: Plates slide past each other causing earthquakes.
ANSWER: Transform boundary

15. C-300 QUESTION: Sea-floor spreading is what type of boundary?
ANSWER: Divergent boundary

16. C-400 QUESTION: A rock that has no stress is called what?
ANSWER: Undeformed

17. C-500
QUESTION: What are the three types of faults and which way do the fault blocks move?
ANSWER: Normal fault: hanging wall moves down. Reverse fault: hanging wall moves up. Strike-slip fault: Horizontal movement.

18. D-100 QUESTION: How is a tectonic plate like an iceberg?
ANSWER: There is more mass below the surface than above the surface.

19. D-200
QUESTION: What type of evidence is used to justify continental drift.
ANSWER: Fossils are found on different continents. Glacier grooves.

20. D-300
QUESTION: Describe what is interesting about the shapes of the continents and how it was important millions of years ago.
ANSWER: The continents all seem to fit together like a puzzle. They all formed Pangaea long ago.

21. D-400
QUESTION: A rock tells you that it is stressed out. What are the two types of stress that rocks can have?
ANSWER: Compression and tension

22. D-500
QUESTION: If the layers of the earth did NOT move, where would the continents most likely be today?
ANSWER: Back together like Pangaea.

23. E-100 QUESTION: What is the continental crust mostly made of?
ANSWER: Granite

24. E-200 QUESTION: Who wrote about the theory of continental drift?
ANSWER: Alfred Wegener.

25. E-300
QUESTION: How do scientists know about what is at the center of the earth?
ANSWER: Seismic waves

26. E-400 QUESTION: What is folding, what is faulting?
ANSWER: Folding: rock layers bend due to stress. Faulting: Surface along which rocks break and slide past each other.

27. E-500
QUESTION: What is the name of the process shown in the picture? What are points A, B, C, D?
ANSWER: Sea-floor spreading, Asthenosphere / Magma, Younger, Older, Mid-ocean ridge

28. FINAL JEOPARDY
QUESTION: Why have humans NOT dug to the center of the earth?
ANSWER: It is too far, too hot and there is too much pressure.