Unit Test — Unit test Answers

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____________ occurs when heat is transferred into an object through motion or movement; an example would be boiling water.

A
conduction
B
radiation
C
convection
D
heat
3

New oceanic lithosphere is unable to form at mid-ocean ridges.

A
T
B
F
4

Geologists learn about the inner layers and the structure of the Earth by studying rock samples and seismic wave evidence.

A
T
B
F
5

Alfred Wegener believed that all of the continents were originally:

A
a single landmass called Pangaea
B
two landmasses called Eurasia and Gondwana
C
three landmasses called Europe, Asia, and Gondwana
D
none of the above
8

Please select the word from the list that best fits the definition

A
sea-floor spreading
B
continental drift
C
magnetic reversal
D
magnetic minerals
E
fossils
9

Please select the word from the list that best fits the definition

A
deposition
B
erosion
C
rock
D
texture
E
rock cycle
F
composition
10

Priya took notes during her Earth Science class. What was most likely the topic of the lecture Priya attended?

Question illustration
A
Volcanic Arcs
B
The San Andreas Fault
C
Mid-Ocean Ridges
D
Subduction Zones
11

Heat transfer within a fluid takes place by

A
convection currents.
B
radiation.
C
conduction.
D
density.
12

Carlos is looking at a picture of a convergent boundary on which a volcanic arc and a trench are identified. Which type of convergent boundary is Carlos looking at?

A
an oceanic-continental convergent boundary
B
an oceanic-arctic convergent boundary
C
an continental-continental convergent boundary
D
an oceanic-oceanic convergent boundary
13

Holes drilled several kilometers into Earth’s crust provide direct evidence about Earth’s interior in the form of

A
seismic waves.
B
rock samples.
C
liquid iron.
D
volcanic eruption.
14

Please select the word from the list that best fits the definition

A
seismic waves
B
asthenosphere
C
mantle
D
lithosphere
E
basalt
F
granite
G
core
H
crust
16

Geologists obtain indirect evidence about Earth’s interior by

A
measuring pressure differences at Earth’s surface.
B
estimating temperature inside earth.
C
directly looking under the many layers.
D
recording and studying seismic waves.
17

Based upon the mechanics of mantle convection, which feature will most likely be formed at the blue arrow, and through which mechanism?

Question illustration
A
An island arc will be formed by ridge push.
B
A rift valley will be formed by subduction.
C
An ocean trench will be formed by slab pull.
D
A mid-ocean ridge will be formed by ridge push.
19

Please select the word from the list that best fits the definition

A
convection
B
conduction
C
radiation
20

Please select the word from the list that best fits the definition

A
deposition
B
erosion
C
rock
D
texture
E
rock cycle
F
composition

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