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Continental Drift! Alfred Wegener's Theory Flashcards | StudBud

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Continental Drift! Alfred Wegener's Theory

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A Quiz for learning about continental drift

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Questions 8

Answers

1
About how long ago did Pangaea break up?
200,000,000 years ago
1,000,000 years ago
1,000,000,000 years ago
20,000,000 years ago
2
Alfred Wegener’s theory was not accepted because....
he could not explain how the continents could move
scientists did not know about Glossopteris
he provided no evidence
he could not describe Pangaea's climate
3
Alfred Wegener’s theory was called
Pangaea
Plate Tectonics
Seafloor Spreading
Continental Drift
4
What discovery led to scientists finally accepting Wegener's theory?
Matching fossils on opposite continents
The discovery of mountain ranges in the middle of oceans
The finding of land bridges between South America and Africa
Evidence of warm plants in Greenland
5
Which of these did continental drift NOT help explain
why warm climate fossils were found in cold places
the origin of seasons
how evidence of glaciers could be found in Australia
how mountain ranges could cross oceans
6
What is the name given to mountain ranges in the middle of oceans?
mid-ocean trench
mid-ocean ridge
mid-ocean everest
mid-ocean volcano
7
We now know that convection in which layer of Earth helps continents to move
Crust
Mantle
Outer Core
Inner Core
8
Which of these did Wegener NOT use to support his theory?
Depth readings showed mountains in the middle of the ocean
The continents fit together like a puzzle.
Mesosaurus fossils were found in South America and Africa.
Identical rock types were found on opposite continents