AnswersSS4 PGCPS EARTH SPACE OC SUMMER 2027 - 794243Rocks and the Rock Cycle

Rocks and the Rock Cycle — Cumulative exam Answers

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41
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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
42
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Which action can humans take to reduce wave erosion?

A
build drainage systems
B
build houses near coastlines
C
build breakwaters in the ocean
D
reduce vegetation along coastlines
43

Sara has made this list to summarize what she learned in science class today: 1. Core 2. Radiation zone 3. Convection zone What is the best title for her list?

A
The Layers of the Interior of the Sun
B
The Layers of the Sun
C
The Layers of the Atmosphere of the Sun
D
The Main Layers of the Sun
44

Which statement best describes a population that competes for reproductive purposes?

A
Animals push each other to access water.
B
Hyenas quarrel over a fresh animal kill.
C
Squirrels and chipmunks collect food for the winter months.
D
Members of the same species battle each other to protect their young.
45

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
46

The image shows landforms in Monument Valley, Utah.

Question illustration
A
folds, strike-slip faults, and anticlines
B
anticlines, synclines, and folds
C
synclines, normal faults, and strike-slip faults
D
normal faults, folds, and anticlines
47

When a volcano erupts, tiny particles from which of Earth’s spheres are released into the air?

A
atmosphere
B
biosphere
C
geosphere
D
hydrosphere
48

In addition to Earth, which planet has evidence of water on the surface?

A
Mars
B
Mercury
C
Neptune
D
Saturn
49

Who rediscovered Aristarchus’s model of a heliocentric solar system?

A
Copernicus
B
Galileo
C
Kepler
D
Ptolemy
50

Examine the image of the Hertzsprung-Russell diagram.

Question illustration
A
cool
B
hot
C
large
D
small

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