AnswersWCA 4130 Earth and Space Science 1st Quarter 26-27Rocks and the Rock Cycle

Metamorphic Rocks Answers

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1
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Which type of rock is a foliated metamorphic rock?

A
granite
B
marble
C
quartzite
D
slate
2
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Which statement describes the formation of metamorphic rocks?

A
Rocks beneath the surface melt.
B
Rocks above the surface are eroded.
C
Rocks beneath the surface are forced toward the mantle.
D
Rock layers near the surface decrease pressure on layers beneath them.
3

Which phrase describes foliated rocks?

A
tend to break in half
B
grains arranged randomly
C
tend to split apart along bands
D
grains arranged in increasing size
4

Which phrase describes a metamorphic rock?

A
formed from a volcano
B
was once buried underground
C
formed from evaporating water
D
contains minerals that have not changed
5

Which describes gneiss?

A
igneous
B
formed from shells
C
tends to split along bands
D
grains randomly arranged
6

During the formation of metamorphic rocks, what is one event that leads to increased heat?

A
Sun warms rocks.
B
Magma pockets rise.
C
Friction occurs between sliding rocks.
D
Lava at Earth’s surface flows over rocks.
7

Which type of rock is non-foliated metamorphic rock?

A
gneiss
B
limestone
C
marble
D
slate
8

Which are the two agents that are necessary in the formation of metamorphic rocks?

A
erosion and heat
B
heat and lava
C
lava and pressure
D
pressure and heat
9

During the formation of metamorphic rocks, what most likely causes pressure to increase?

A
Magma pockets rise.
B
Gravity pulls on rocks.
C
Rocks melt deep beneath Earth’s surface.
D
Rocks beneath Earth’s surface are forced toward the mantle.
10

Which describes a characteristic of quartzite?

A
igneous
B
foliated
C
does not split into layers
D
grains arranged in parallel layers

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