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Re: Dynamic Planet B/C

Posted: April 10th, 2018, 1:06 pm
by knottingpurple
Pettywap wrote:
RyanMist wrote:Question:
What scientist proposed continental drift?

Alfred Wegener


What about Frank Bursley Taylor?

Re: Dynamic Planet B/C

Posted: April 10th, 2018, 1:10 pm
by UTF-8 U+6211 U+662F
To be fair, it was independently discovered by both, so both answers are fair game.

Oof, Leibniz and Newton all over again.

Re: Dynamic Planet B/C

Posted: April 10th, 2018, 1:14 pm
by knottingpurple
UTF-8 U+6211 U+662F wrote: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.

Re: Dynamic Planet B/C

Posted: April 11th, 2018, 8:58 am
by Pettywap
I guess I'm partially wrong then.

Who wrote “History of Ocean Basins” in 1962?

Re: Dynamic Planet B/C

Posted: April 11th, 2018, 9:44 am
by Tailsfan101
Pettywap wrote:Who wrote “History of Ocean Basins” in 1962?

Harry Hess

Re: Dynamic Planet B/C

Posted: April 11th, 2018, 1:32 pm
by Pettywap
Tailsfan101 wrote:
Pettywap wrote:Who wrote “History of Ocean Basins” in 1962?

Harry Hess

correct! your turn

Re: Dynamic Planet B/C

Posted: April 11th, 2018, 2:03 pm
by Tailsfan101
1. The San Andreas fault borders which two plates?
2. How thick, on average, are oceanic and continental crust?

Re: Dynamic Planet B/C

Posted: April 11th, 2018, 2:21 pm
by pb5754[]
Tailsfan101 wrote:1. The San Andreas fault borders which two plates?
2. How thick, on average, are oceanic and continental crust?


1. North American Plate and the Pacific Plate.
2. Continental: 25-70 km
Oceanic: 3-5 km

Re: Dynamic Planet B/C

Posted: April 11th, 2018, 3:56 pm
by Tailsfan101
pb5754[] wrote:
Tailsfan101 wrote:1. The San Andreas fault borders which two plates?
2. How thick, on average, are oceanic and continental crust?


1. North American Plate and the Pacific Plate.
2. Continental: 25-70 km
Oceanic: 3-5 km

Looks good to me! Your turn.

Re: Dynamic Planet B/C

Posted: April 22nd, 2018, 2:12 pm
by UTF-8 U+6211 U+662F
Ok..

What type of fault is the San Andreas fault?

Re: Dynamic Planet B/C

Posted: April 22nd, 2018, 2:35 pm
by Pettywap
UTF-8 U+6211 U+662F wrote:Ok..

What type of fault is the San Andreas fault?

Strike-slip fault

Re: Dynamic Planet B/C

Posted: April 22nd, 2018, 2:39 pm
by UTF-8 U+6211 U+662F
Pettywap wrote:
UTF-8 U+6211 U+662F wrote:Ok..

What type of fault is the San Andreas fault?

Strike-slip fault

Yep, your turn (dextral strike-slip fault to be precise)

Re: Dynamic Planet B/C

Posted: April 22nd, 2018, 2:44 pm
by Pettywap
What is the spreading rate of the Mid-Ocean Ridge in cm (roughly)?

Re: Dynamic Planet B/C

Posted: April 22nd, 2018, 2:45 pm
by pb5754[]
Pettywap wrote:What is the spreading rate of the Mid-Ocean Ridge in cm (roughly)?

I am assuming you mean the Mid-Atlantic Ridge... 2.5 cm/year

Re: Dynamic Planet B/C

Posted: April 22nd, 2018, 2:46 pm
by Pettywap
pb5754[] wrote:
Pettywap wrote:What is the spreading rate of the Mid-Ocean Ridge in cm (roughly)?

I am assuming you mean the Mid-Atlantic Ridge... 2.5 cm/year

Rip yeah I mistyped and you're correct