Earthquakes — Unit test Answers

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1
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This is Mohs hardness scale.

Question illustration
A
apatite, quartz, fluorite, talc
B
diamond, talc, fluorite, topaz
C
talc, calcite, orthoclase, diamond
D
corundum, quartz, calcite, gypsum
2
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What is the relationship between the rate at which molten material cools and a mineral's crystals?

A
The faster the cooling, the larger the crystals.
B
The slower the cooling, the larger the crystals.
C
The rate at which molten material cools does not affect crystal shape.
D
The rate at which molten material cools does not affect crystal size.
3

Which statement describes the location of an earthquake’s epicenter?

A
It is located using a single set of data.
B
It is determined by the Mercalli Scale.
C
It is determined by the arrival time of surface waves.
D
It is located at the point directly above the focus
4

Which is one of the main categories of sedimentary rocks?

A
clastic
B
limestone
C
shale
D
sandstone
5

Which type of metamorphic rock has randomly arranged grains and does not split into layers?

A
foliated
B
banded
C
massive
D
non-foliated
6

Which is one source of the sediments that form sedimentary rocks?

A
chunks of coal
B
particles in new rocks
C
liquid magma
D
materials dissolved in solutions
7

Which two processes are destructive forces that occur during sedimentary rock formation?

A
cementation and compaction
B
compaction and deposition
C
deposition and weathering
D
weathering and erosion
8

Which example is most likely made from both metals and gemstones?

A
necklace
B
soda can
C
window frame
D
kitchen utensil
9

Which statement is an example of an observation a scientist would make to classify a rock?

A
A rock is larger than other rocks.
B
A rock was found in a stream.
C
A rock is formed from molten lava.
D
A rock cracks in half after a rainstorm.
10

Which statement describes divergent boundaries?

A
Divergent boundaries are found only on land.
B
Subduction occurs at divergent boundaries.
C
Plates move toward each other at divergent boundaries.
D
Magma flows from cracks in the crust at divergent boundaries.
11

Which word identifies the agent that carries the energy released from earthquakes?

A
epicenter
B
focus
C
lithosphere
D
waves
12

Study the image of this rock.

Question illustration
A
jagged
B
oval
C
round
D
smooth
13

Which correctly lists three characteristics of minerals?

A
solid, crystal structure, definite chemical composition
B
organic, crystal structure, definite chemical composition
C
human-made, solid, organic
D
crystal structure, definite chemical composition, human-made
14

Which sedimentary rock is burned to produce energy?

A
coal
B
iron ore
C
rock salt
D
limestone
15

Which word identifies the shaking that results from movement under Earth’s surface?

A
earthquake
B
fault
C
plate
D
stress

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