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Tectonics Quiz Flashcards | StudBud

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Tectonics Quiz

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Questions 10

Answers

1
If the heat inside Earth was created long ago, why is it still hot 4 billion years later?
low specific heat capacity
no entropy underground
insulation
nuclear radiation
2
Earth's surface is broken into huge pieces of rock called:
convergent boundaries
tectonic plates
cratons
mountain slabs
3
The tectonic plates include the crust upper mantle. This layer is called the:
lithosphere
artemisphere
tectonicsphere
asthenosphere
4
The plates move primarily because of:
tidal forces from the Sun's gravity
rotational momentum because Earth is spinning
convection currents in the mantle
gravity pulls them towards the center of Earth
5
New crust is made on Earth but Earth stays the same size - this means that:
the core is getting hotter
the core is getting smaller
the mantle is getting smaller
crust is destroyed at the same rate
6
Why is the Earth hot? Where did the heat come from?
nuclear radiation
the sun
electromagnetic radiation
impacts of meteors
7
Undersea mountain ranges primarily form due to:
Transform plate boundaries
Convergent plate boundaries
All three
Divergent plate boundaries
8
What type of rock is continental crust made of?
granite
all these answer are correct
low-density rock
Intrusive igneous rock
9
What was the first supercontinent called?
Pangea
Gondwanaland
Laurasia
Vaalbara
10
the San Andreas fault is the most studied fault in the world - what kind of boundary is it?
none of these
transform
convergent
divergent