Dynamic Planet B/C

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

Postby pb5754[] » March 1st, 2018, 7:28 pm

UTF-8 U+6211 U+662F wrote:
JoeyC wrote:
UTF-8 U+6211 U+662F wrote:
All right, no one's answered in a while, so I'll give it another try
Rock topple?

Correct!
A rock topple, or more (more simply) a topple, is the most deadly form of landslide, due to the fact that it is literally part of the rock face peeling off the rock body and toppling over (think onion layers, except these layers are made of huge rock, and the ant quivering right where it's going to land is you).
I'll give someone else a chance to ask a question

To clarify, does that mean it's my turn to ask a question or no?

Yes, it's your turn.

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Re: Dynamic Planet B/C

Postby UTF-8 U+6211 U+662F » March 1st, 2018, 7:29 pm

What two major contributions did Tuzo Wilson add to the plate tectonics theory?

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Re: Dynamic Planet B/C

Postby pb5754[] » March 1st, 2018, 8:40 pm

UTF-8 U+6211 U+662F wrote:What two major contributions did Tuzo Wilson add to the plate tectonics theory?

Hotspots and transform boundaries.

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Re: Dynamic Planet B/C

Postby UTF-8 U+6211 U+662F » March 2nd, 2018, 1:01 pm

pb5754[] wrote:
UTF-8 U+6211 U+662F wrote:What two major contributions did Tuzo Wilson add to the plate tectonics theory?

Hotspots and transform boundaries.

Yep, your turn!

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Re: Dynamic Planet B/C

Postby pb5754[] » March 2nd, 2018, 3:31 pm

What do "sial" and "sima" stand for and what type of crust are they each equated with?

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Re: Dynamic Planet B/C

Postby pb5754[] » March 14th, 2018, 2:05 pm

pb5754[] wrote:What do "sial" and "sima" stand for and what type of crust are they each equated with?

Anyone?

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Re: Dynamic Planet B/C

Postby UTF-8 U+6211 U+662F » March 14th, 2018, 2:20 pm

pb5754[] wrote:What do "sial" and "sima" stand for and what type of crust are they each equated with?

Sorry, forgot about this thread haha.
Answer
Sial = Silicon + Aluminium = Continental; Sima = Silicon + Magnesium = Oceanic

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Re: Dynamic Planet B/C

Postby pb5754[] » March 14th, 2018, 2:43 pm

UTF-8 U+6211 U+662F wrote:
pb5754[] wrote:What do "sial" and "sima" stand for and what type of crust are they each equated with?

Sorry, forgot about this thread haha.
Answer
Sial = Silicon + Aluminium = Continental; Sima = Silicon + Magnesium = Oceanic
Correct, your turn.

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Re: Dynamic Planet B/C

Postby UTF-8 U+6211 U+662F » March 14th, 2018, 2:44 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?

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Re: Dynamic Planet B/C

Postby OrigamiPlanet » March 18th, 2018, 9:48 pm

UTF-8 U+6211 U+662F wrote: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?

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

OrigamiPlanet wrote:
UTF-8 U+6211 U+662F wrote: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?

Answers
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.

Yep, your turn.

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Re: Dynamic Planet B/C

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

Questions
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

OrigamiPlanet wrote:
Questions
1. What two plates would most likely produce the most earthquakes?
2. Why are rift valleys good for mineralization?

Answer
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

RyanMist wrote:Question:
What scientist proposed continental drift?

Alfred Wegener
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