Dynamic Planet B/C

Test your knowledge of various Science Olympiad events.
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Re: Dynamic Planet B/C

Postby UTF-8 U+6211 U+662F » March 19th, 2018, 12:17 pm

Name a couple of reasons why the continents do not have a perfect jigsaw fit.

What depth do continents have the best jigsaw fit at?
1. After separating, deposition or erosion could occur, which changes the shape of the pieces. Isostatic and eustatic change can also make blocks look like they don't fit. 
2. Around 1000 m or 1 km below current sea level.
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Re: Dynamic Planet B/C

Postby OrigamiPlanet » March 19th, 2018, 12:21 pm

1. What two plates would most likely produce the most earthquakes?
2. Why are rift valleys good for mineralization?
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Re: Dynamic Planet B/C

Postby UTF-8 U+6211 U+662F » March 31st, 2018, 6:12 pm

1. What two plates would most likely produce the most earthquakes?
2. Why are rift valleys good for mineralization?
1. Pacific and Eurasian??
2. The magma that escapes out of the rift is rich in minerals.

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Re: Dynamic Planet B/C

Postby RyanMist » April 10th, 2018, 10:16 am

Question:
What scientist proposed continental drift?
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Re: Dynamic Planet B/C

Postby Pettywap » April 10th, 2018, 10:29 am

Question:
What scientist proposed continental drift?
Alfred Wegener
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Re: Dynamic Planet B/C

Postby knottingpurple » April 10th, 2018, 1:06 pm

Question:
What scientist proposed continental drift?
Alfred Wegener
What about Frank Bursley Taylor?
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Re: Dynamic Planet B/C

Postby UTF-8 U+6211 U+662F » April 10th, 2018, 1:10 pm

To be fair, it was independently discovered by both, so both answers are fair game.

Oof, Leibniz and Newton all over again.

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Re: Dynamic Planet B/C

Postby knottingpurple » April 10th, 2018, 1:14 pm

To be fair, it was independently discovered by both, so both answers are fair game.

Oof, Leibniz and Newton all over again.
It does bother me, though, when answer keys to tests only list the more widely known one - it risks taking off points for the few students who might have added another answer from having done more research.
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Re: Dynamic Planet B/C

Postby Pettywap » April 11th, 2018, 8:58 am

I guess I'm partially wrong then.

Who wrote “History of Ocean Basins” in 1962?
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Re: Dynamic Planet B/C

Postby Tailsfan101 » April 11th, 2018, 9:44 am

Who wrote “History of Ocean Basins” in 1962?
Harry Hess
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