Answers2026-2027 TPS Earth Science w Mrs. NitollamaLab: Plate Boundaries and Movement

Lab: Plate Boundaries and Movement — Unit test Answers

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1
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Which statement describes one aspect of an earthquake’s magnitude?

A
It is measured by the Mercalli scale.
B
It is based on the size of seismic waves.
C
It is not usually affected by the amount of fault movement.
D
It is used to determine damage caused by earthquakes.
2
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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
3

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

e
epicenter
f
focus
l
lithosphere
w
waves
4

What happened to the giant landmass that Wegener described?

A
The pieces remained the same shape over time.
B
The pieces moved quickly to their current locations.
C
The pieces moved toward one another and created mountains.
D
The pieces broke apart and drifted away from one another over time.
5

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

A
earthquake
B
fault
C
plate
D
stress
6

Which example is indirect evidence used to study Earth’s interior?

A
composition of minerals in a rock
B
age of a rock from within Earth
C
location of an earthquake’s epicenter
D
texture of different core samples
7

According to the theory of plate tectonics, which is one feature that plates carry?

A
seafloor
B
inner core
C
lower mantle
D
asthenosphere
8

The table shows the thickness, top density, and bottom density of the different layers of the Earth. Thickness (km)Density (g/cm3)Types of Rock FoundTopBottomCrust302.22.9Silicic rocksUpper mantle7203.44.4PeridotiteLower mantle2,1714.45.6Magnesium and silicon oxidesOuter core2,2599.912.2Iron+oxygenInner core1,22112.813.1Iron+oxygen

A
As depth increases, the density of the layers increases.
B
As depth increases, the density of the layers decreases.
C
As depth increases, the thickness of the layers increases.
D
As depth increases, the thickness of the layers decreases.
9

Which statement best explains why Earth’s outer core is in liquid form?

A
The iron-nickel alloy melts due to hot temperatures.
B
The outer core has a tarry consistency.
C
This region is less dense when compared to the mantle.
D
This region is under extreme pressure from the weight of other layers.
10

Why do scientists study seismographs?

A
to learn about different rock samples
B
to determine the location of an epicenter
C
to analyze mineral content from Earth’s crust
D
to observe temperature changes on Earth’s surface
11

Which continents contain folded mountains that match up to form one continuous mountain chain, serving as evidence that they once belonged to one landmass called Pangaea?

A
Antarctica and Africa
A
Africa and North America
S
South America and Africa
E
Eurasia and South America
12

Study this image.

Question illustration
A
Oceanic and continental plates are colliding.
B
Oceanic and continental plates are shifting past each other.
C
Two continental plates are forming a large mountain.
D
Two oceanic plates are creating several island chains.
13

Which features form along all types of plate boundaries?

f
faults
r
rift valleys
m
mountains
o
ocean ridges
14

Which coal field location is related to coal fields in the United States and supports the theory of continental drift?

A
India
B
Africa
C
Australia
D
Europe
15

Study this image of lithospheric plates.

Question illustration
P
Pacific, Eurasian, and African
A
African, North American, and South American
E
Eurasian, African, and South American
N
North American, Pacific, and African

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