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Earth Science Flashcards | StudBud

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Earth Science

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The theory of plate tectonics explains Earth's geological processes

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Questions 7

Answers

1
What exactly are mid-ocean ridges?
one of these definition are trenches (hint)
mountain ridges along the ocean floor?
earthquakes and volcanic eruptions
deep valleys in the ocean floor
2
What did scientists discover by mapping the ocean floor?
pirate treasures
mid-ocean ridges and trenches
fascinating sea creatures
SpongeBob Square Pants
3
Wegner proposed that Earth's continents...
are just there to support human activities
are sworn enemies and keep their distance from each other
were once all connected as a single continent called Pangaea
are in a complicated relationship
4
What is the theory that provides a unified explanation for geological features and processes?
no clue
the continental drift theory
theory of plate tectonics
theory of sea floor spreading
5
Earth's surface and continents has remained unchanged since it first formed (fixism).
True
False
6
What are the four different parts of the Earth's crust?
What's the fuss?It supports the continental drift hypothesis
The curst and the core???
What? Isn't there only three parts?
crust, mantle, outer core, inner core
7
Why is the sea floor spreading? This process is proposed by Harry Hess
Because magma is rising to surface forming new ocean rust
no finished