Which of the following is the third step in the giant impact hypothesis?

The ejected material forms a disk around the Earth.

How do we know about the interior of the moon?

Seismographs left by the Apollo astronauts measure moonquakes.

Which of the following is the first step in the giant impact hypothesis?

Theia collides with the Earth releasing a giant amount of energy.

Which of the following is the fourth step in the giant impact hypothesis?

Over time, the debris in the disk comes together to form the moon

Which of the following is the second step in the giant impact hypothesis?

A portion Earth and the impacting object to be ejected into space.

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Unit 4: The Moon Test Review

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Questions 19

Answers

1
The core of the Moon is a gigantic ball of white-hot___
gas
hellium
iron
2
Which of the following is the third step in the giant impact hypothesis?
Theia collides with the Earth releasing a giant amount of energy.
Over time, the debris in the disk comes together to form the moon
A portion Earth and the impacting object to be ejected into space.
The ejected material forms a disk around the Earth.
3
What are the features outlined in yellow in this image?
Maria
all of these are true
Lava fields
Seas
4
What covers the surface of the moon?
Regolith
Footprints
Moon dust
Dirt, the same as Earth
5
What phase of the moon is this?
Crescent moon
Half moon
Quarter moon
Gibbous moon
6
According to your notes, what is the length of one day on the moon? (Rotational period)
28 days
30 days
29 days
27 days
7
How do we know about the interior of the moon?
Seismographs left by the Apollo astronauts measure moonquakes.
Apollo astronauts drilled out core samples
Moon rovers burrowed into the core of the Moon,
8
How long ago was the moon formed?
About 4.5 thousand years ago.
About 4.5 trillion years ago.
About 4.5 billion years ago
About 4.5 million years ago
9
Which of the following is the first step in the giant impact hypothesis?
The ejected material forms a disk around the Earth.
Theia collides with the Earth releasing a giant amount of energy.
A portion Earth and the impacting object to be ejected into space.
Over time, the debris in the disk comes together to form the moon
10
How much of the moon is sunlight hitting in this picture?
1/8th
Half
All of it.
Quarter
11
What are the features in this picture?
Craters
Dents
basins
Divots
12
Which of the following is the fourth step in the giant impact hypothesis?
A portion Earth and the impacting object to be ejected into space.
The ejected material forms a disk around the Earth.
Theia collides with the Earth releasing a giant amount of energy.
Over time, the debris in the disk comes together to form the moon
13
The Moon is the Earth's only natural
celestial body
companion
satellite
neighbor
14
What is layer A in this diagram of the moon.
Crust
Mantle
Core
Ocean layer
15
What is the prevailing idea of how the moon formed?(This means the theory that is currently most widely accepted)
Fission Theory
Giant Impact Hypothesis
Co-formation theory
Capture theory
16
Which of the following is the second step in the giant impact hypothesis?
Theia collides with the Earth releasing a giant amount of energy.
A portion Earth and the impacting object to be ejected into space.
The ejected material forms a disk around the Earth.
Over time, the debris in the disk comes together to form the moon
17
According to your notes, what is the orbital period of the moon?
27 days
28 days
29 days
30 days
18
The Moon keeps the same face toward us at all times
True
False
19
Which of the following are evidence of the GIH?
Lunar samples lack water, consistent with moon forming from molten material
Moon rocks brought back by the Apollo missions lack volatile elements.
Similarities in isotopic compositions between Earth and moon rocks .
All of these are true.

Unit 4: The Moon Test Review Flashcards | StudBud