AnswersMO-Earth and Space Science ALab: Mineral and Rock Classification

Lab: Mineral and Rock Classification — Cumulative exam Answers

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1
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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
2
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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.
3

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
4

A college student has been assigned to write captions for a new textbook on gravity and motion. This is one of the pictures from the textbook.

Question illustration
A
The moon moves toward the Sun due to gravity.
B
The moon will move away from Earth because of inertia.
C
The moon would move in a circular path if there were no forces.
D
The moon would not stay in orbit without the pull of Earth's gravity.
5

Study this image of space.

Question illustration
A
a nebula
B
a red giant
C
a supernova
D
a neutron star
7

Which list correctly names the three types of galaxies?

A
binary, open, globular
B
elliptical, open, binary
C
irregular, spiral, elliptical
D
open, irregular, spiral
8

Chris drew a diagram to compare the ways in which different organisms obtain nitrogen.

Question illustration
A
breathe in from atmosphere
B
produce themselves
C
eat other organisms
D
absorb from soil
9

Which two scientists’ theories supported the general consensus of the people and religious teachings of the time?

A
Aristarchus and Aristotle
B
Aristotle and Ptolemy
C
Ptolemy and Copernicus
D
Galileo and Aristarchus
10

In which era did mammals emerge?

A
Cenozoic
B
Mesozoic
C
Paleozoic
D
Precambrian
12

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.
13

Which example best illustrates a method to show differences among Earth’s layers?

A
Carson models how the continental crust varies in thickness.
B
Marisol records atmospheric and oceanic temperatures at several beaches.
C
Eliza analyzes seismic wave activity from an earthquake using a computer model.
D
Oscar determines the pressure at different depths of Earth’s crust.
15

Which statement describes Earth?

A
It is an outer planet.
B
It is a gaseous planet.
C
It was formed from gas and dust.
D
It has a thick atmosphere of hydrogen and helium.
16

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.
17

The images show two metamorphic rock samples.

Question illustration
A
Both rocks are non-foliated.
B
Neither rock has randomly arranged grains.
C
Both rocks formed at Earth’s surface.
D
Neither rock formed through extreme heat or pressure.

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