Dynamic Planet B/C

[UTF-8 U+6211 U+662F]

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 (Click to Show Hidden Text)

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.

[OrigamiPlanet]

Questions (Click to Show Hidden Text)

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

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Questions (Click to Show Hidden Text)

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

Click to Show Answer

1. Pacific and Eurasian??

2. The magma that escapes out of the rift is rich in minerals.

[RyanMist]

Question:
What scientist proposed continental drift?

[Pettywap]

Question:
What scientist proposed continental drift?

Alfred Wegener

[knottingpurple]

Question:
What scientist proposed continental drift?

Alfred Wegener

What about Frank Bursley Taylor?

[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.

[knottingpurple]

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.

[Pettywap]

I guess I'm partially wrong then.

Who wrote “History of Ocean Basins” in 1962?

[Tailsfan101]

Who wrote “History of Ocean Basins” in 1962?

Harry Hess