Volcanoes — Cumulative exam Answers

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What is the Milky Way?

A
a spiral galaxy in which Earth is located
B
an elliptical galaxy in which Earth is located
C
an irregular galaxy in which Earth is located
D
the closest galaxy to the one in which Earth is located
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Which is an example of a trace fossil?

A
animal burrow
B
skin of organism
C
preserved bone
D
petrified wood
5

Which important event in Earth’s history occurred during the Jurassic period?

A
The first birds emerged on Earth.
B
Mammals were in search of food.
C
Animals with shells emerged on Earth
D
Treelike ferns first began to grow and populate.
6

Which best explains how scientists confirmed that the moon formed around the same time as Earth?

A
Scientists determined the approximate age of fossils from the moon and Earth.
B
Scientists used radioactive dating to study the age of material from the moon and Earth.
C
Scientists explored the cycle of condensation and evaporation over time on the moon and Earth.
D
Scientists analyzed the content of gases that were part of the atmospheres on the moon and Earth.
8

The image shows locations of fossils from different geologic periods in Virginia.Which association correctly links the time period with the location of the fossils?

Question illustration
A
Pennsylvanian eastern and western Virginia
Option A
B
Cambrian throughout southern Virginia
Option B
C
Tertiary eastern Virginia
Option C
D
Quaternary eastern and western Virginia
Option D
9

Which type of zone is located at a deep-ocean trench?

A
convergent
B
divergent
C
subduction
D
transform
10

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.
11

Study this image of lithospheric plates.

Question illustration
A
Pacific, Eurasian, and African
B
African, North American, and South American
C
Eurasian, African, and South American
D
North American, Pacific, and African
12

How long ago do scientists believe the continents formed Pangaea?

A
about 135 million years ago
B
about 180 million years ago
C
about 300 million years ago
D
about 4.5 billion years ago
14

Which type of star will become a black hole when it dies?

A
a protostar
B
a supergiant
C
a white dwarf
D
a red dwarf
17

Which term defines a star system with two stars?

A
binary star system
B
eclipse star system
C
open cluster star system
D
globular cluster star system
20

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.

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