AnswersEAP - VA - Earth Science B CRCumulative Exam

Cumulative Exam — Cumulative exam Answers

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21
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The images show sedimentary layers before and after they were shifted by a geologic event.

Question illustration
A
layer A
B
layer B
C
layer C
D
layer D
22
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The diagram shows cross-cutting relationships among rocks.

Question illustration
A
D occurred after B.
B
D occurred before A.
C
A formed after the horizontal layer above was deposited.
D
F formed before the horizontal layer above was deposited.
23

Which measurement do geologists use to find the absolute age of once-living things?

A
amount of decayed daughter elements
B
total number of half-lives for the element potassium
C
age of ancient rocks located near the remains
D
amount of carbon-14 and nitrogen-14 in the remains
24

The image shows an up-close view of a rock.

Question illustration
A
jagged grains
B
coarse grains
C
rounded grains
D
non-banded grains
25

Which rock is an example of an organic sedimentary rock?

A
iron ore
B
rock salt
C
limestone
D
sandstone
26

A hiker crosses topography near the sea that has low elevation and low relief and then climbs up steeply to reach a peak.Which two landforms has the hiker experienced?

A
hills and plateau
B
plateau and mountain
C
mountain and coastal plains
D
interior plains and hills
27

Which two large landmasses formed when Pangaea first started to separate?

A
Africa and Europe
B
Europe and Laurasia
C
Gondwanaland and North America
D
Laurasia and Gondwanaland
28

Which fossils are formed by sediments and found in sedimentary rock?

A
a mold of a fish skeleton and a cast of a clamshell
B
a cast of a clamshell and a frozen animal
C
a frozen animal and a piece of petrified wood
D
a piece of petrified wood and a preserved insect
29

Which type of wetland includes a mixture of salt water and fresh water?

A
bogs
B
swamps
C
inland marshes
D
coastal wetlands
30

Which of these is one characteristic of topographic maps?

A
contain contour lines to display elevation
B
contain information about types of vegetation
C
contain weather and climate information
D
contain satellite images of land masses
31

How do minerals form from magma?

A
By rapidly melting in Earth's core
B
By crystallizing as magma or lava cools
C
By dissolving in ocean water
D
By breaking down into smaller particles
32

At which point is crust neither created nor destroyed?

A
island chain
B
mid-ocean ridge
C
divergent boundary
D
transform boundary
33

How are S waves and surface waves similar?

A
Both arrive after P waves.
B
Both compress the ground.
C
Both travel through liquids.
D
Both produce minimal ground motion.
34

Which statement explains what similar fossils found on distant continents suggest about Earth’s history?

A
Animals have evolved over time.
B
The continents have moved over time.
C
Earth’s oceans had varying salt content through time.
D
There have been many animals on Earth that are now extinct.
35

How do rock types contribute to the rate of weathering?

A
Porous minerals weather faster.
B
Harder minerals break apart more easily.
C
Minerals that dissolve easily weather slower.
D
Permeable rocks have less chemical reactions.
36

Study the image.

Question illustration
A
1
B
2
C
3
D
4
37

Which occurs just before a volcanic eruption?

A
Lava flows onto the sides of the volcano.
B
The expanding gases push magma through the pipe.
C
A pocket of magma forms beneath the volcano.
D
New rocks are formed as lava hardens.
38

Which is a difference between the Paleozoic and Mesozoic era?

A
Animals lived in the water during the Mesozoic and on land in the Paleozoic.
B
The first birds emerged in the Paleozoic era while mammals first emerged in the Mesozoic.
C
Many different species of dinosaurs lived in the Mesozoic, but they all died off in the Paleozoic.
D
Animal complexity increased during the Paleozoic while the first flowering plants appeared in the Mesozoic era.
39

Which three are formed due to compression?

A
syncline, normal fault, and strike-slip fault
B
anticline, syncline, and reverse fault
C
normal fault, anticline, and strike-slip fault
D
reverse fault, strike-slip fault, and syncline
40

The image shows a world map.

Question illustration
A
east of Africa
B
close to the equator
C
on the prime meridian
D
in the Northern Hemisphere

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