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Earth/Space Chapters 17 & 18 (Round 1) Flashcards | StudBud
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Earth/Space Chapters 17 & 18 (Round 1)
Earth/Space Chapters 17 & 18 (Round 1)
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Earth/Space Chapters 17 & 18
Flashcards
10 cards
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Practice quiz
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Questions
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Answers
1
What happens to an ocean plate after it moves to a trench?
It gets welded to a continent
It is uplifted to form a mountain
It sinks into the mantle
It breaks into small pieces
2
How is continental crust different from oceanic crust?
It has a lighter color.
It has a lower density.
It has a greater thickness.
It has a higher density.
3
Which fossil on widely separated continents provides the best evidence for continental drift?
Marine Clam
Land Reptile
Marine Fish
Migratory Bird
4
Why does convection occur within the Earth?
Earth's Inner Core is solid.
The Earth rotates.
The force of Gravity varies.
Heat moves towards Earth's surface.
5
Approximately how many major tectonic plates cover the Earth?
9
3
7
12
6
Which type of boundary has strong earthquakes but usually does not have volcanic eruptions?
Ocean-to-Oceanic Convergent
Divergent
Oceanic-to-Continent Convergent
Transform
7
Which scientist proposed that the continents moved, or drifted, to their current positions?
James Hutton
Friedrich Mohs
Wladimir Koppen
Alfred Wegener
8
Which layer of the Earth generates the Earth’s magnetic field?
Mantle
Outer Core
Inner Core
Crust
9
Where is the oldest oceanic crust usually located?
Near the Edge of a Basin
Along the Middle of a Basin
Near an Ocean Ridge
Near an Ocean Trench
10
What is the name of the large underwater mountain ranges discovered in the 1940’s & 50’s?
Ocean Ridges
Sea Mounts
Ocean Trenches
Sea Stacks
