# Earth And Moon Study Guide

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• 1.

### What season is represented by C?

• A.

Summer

• B.

Fall

• C.

Winter

• D.

Spring

B. Fall
Explanation
C represents the season of Fall. This can be inferred based on the order of the seasons listed, with Summer coming before Fall. Since C is the second option after Summer, it must be representing Fall.

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• 2.

### At which position would you expect a Spring Tide?

• A.

Position 1

• B.

Position 2

• C.

Position 3

• D.

Position 4

C. Position 3
Explanation
Spring tides occur when the sun, moon, and Earth are aligned, creating a strong gravitational pull on the ocean's waters. This alignment happens during the new moon and full moon phases. Position 3 would be the expected position for a spring tide because it is in the middle of the alignment between the sun, moon, and Earth. The gravitational forces from both the sun and moon would combine, resulting in higher high tides and lower low tides.

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• 3.

### At which position would you expect a Neap Tide?

• A.

Position 1

• B.

Position 2

• C.

Position 3

• D.

Position 4

D. Position 4
Explanation
A neap tide occurs when the gravitational forces of the sun and moon are perpendicular to each other, resulting in the smallest difference between high and low tides. Position 4 would be the most likely position for a neap tide because it is furthest away from the alignment of the sun and moon, resulting in weaker gravitational forces and less significant tidal fluctuations.

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• 4.

### Earth spinning on its axis is called what?

• A.

Revolution

• B.

Rotation

• C.

• D.

Orbit

B. Rotation
Explanation
Rotation refers to the Earth spinning on its axis. This movement causes day and night as different parts of the Earth are exposed to the Sun's light. Revolution, on the other hand, refers to the Earth's movement around the Sun, which takes approximately 365.25 days to complete. Retrograde rotation is not a term used to describe the Earth's movement. Orbit refers to the path that the Earth follows around the Sun.

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• 5.

### During a leap year, an extra day is added to which month?

• A.

January

• B.

February

• C.

March

• D.

December

B. February
Explanation
During a leap year, an extra day is added to the month of February. This is because a leap year occurs every four years to account for the slight discrepancy between the Earth's orbit around the sun and the calendar year. The additional day, known as February 29th, helps to keep the calendar year synchronized with the astronomical year.

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• 6.

• A.

Option 1

• B.

Option 2

• C.

Option 3

• D.

Option 4

A. Option 1
• 7.

### The moon revolves around the Earth in about -

• A.

One year

• B.

One week

• C.

One day

• D.

One month

D. One month
Explanation
The moon revolves around the Earth in about one month. This is because the moon's orbit around the Earth takes approximately 27.3 days to complete, which is close to the duration of one month. During this time, the moon goes through different phases, such as full moon, new moon, and crescent moon, as it orbits the Earth.

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• 8.

### What occurs when the moon passes directly between the Earth and the Sun?

• A.

A new moon

• B.

A lunar eclipse

• C.

A full moon

• D.

A solar eclipse

D. A solar eclipse
Explanation
When the moon passes directly between the Earth and the Sun, it causes a solar eclipse. During a solar eclipse, the moon blocks the sunlight from reaching the Earth, casting a shadow on the Earth's surface. This creates a temporary darkening of the sky as the moon appears to cover the Sun completely or partially. A solar eclipse can only occur during a new moon, when the moon is positioned between the Earth and the Sun.

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• 9.

### A ________ tide occurs when the sun is at right angles to the line between the Earth and moon.

neap
Neap
Explanation
A neap tide occurs when the sun is at right angles to the line between the Earth and moon. This means that the gravitational pull of the sun partially cancels out the gravitational pull of the moon, resulting in a weaker tide. Neap tides occur twice a month, during the first and third quarter phases of the moon.

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• 10.

• A.

True

• B.

False

B. False
• 11.

### The moon is about the size of the United States.

• A.

True

• B.

False

A. True
Explanation
The statement is true because the moon has a diameter of about 3,474 kilometers, which is roughly one-fourth the size of Earth. In comparison, the United States has a width of about 4,300 kilometers from its easternmost point in Maine to its westernmost point in Alaska. Therefore, the moon is approximately the same size as the United States.

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• 12.

### The moon has an atmosphere similar to Earth's.

• A.

True

• B.

False

B. False
Explanation
The statement "The moon has an atmosphere similar to Earth's" is false. The moon does not have a significant atmosphere like Earth does. While it does have a very thin and tenuous exosphere, it lacks the dense atmosphere that supports life and weather on Earth. The moon's exosphere consists mainly of particles ejected from the lunar surface and the solar wind.

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• 13.

### The moon rotates and revolves like the Earth.

• A.

True

• B.

False

A. True
Explanation
The statement is true because the moon does indeed rotate and revolve like the Earth. Rotation refers to the spinning of an object on its axis, and the moon rotates on its axis just like the Earth does. Revolving, on the other hand, refers to the movement of an object around another object, usually in an elliptical orbit. The moon revolves around the Earth in an elliptical orbit, similar to how the Earth revolves around the sun. Therefore, both rotation and revolution occur for both the Earth and the moon.

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• 14.

### A solar eclipse is very common.

• A.

True

• B.

False

B. False
Explanation
A solar eclipse is not very common. It is a rare phenomenon that occurs when the moon passes between the sun and the Earth, blocking the sunlight and casting a shadow on the Earth's surface. Solar eclipses only happen a few times a year, and their visibility is limited to specific regions on Earth. Therefore, the statement that a solar eclipse is very common is incorrect.

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• 15.

### The visible part of the sun during a total solar eclipse is called the corona.

• A.

True

• B.

False

A. True
Explanation
During a total solar eclipse, the moon aligns perfectly between the Earth and the Sun, blocking the direct sunlight. This alignment allows the outer atmosphere of the Sun, known as the corona, to become visible. The corona appears as a glowing halo around the darkened moon during the eclipse. Therefore, it is true that the visible part of the sun during a total solar eclipse is called the corona.

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• 16.

### The moon's rotation and revolution take 27.3 days.

• A.

True

• B.

False

A. True
Explanation
The statement is true because the moon takes approximately 27.3 days to complete one rotation on its axis and also to complete one orbit around the Earth. This means that the same side of the moon always faces the Earth, and it takes the same amount of time for the moon to complete its orbit and rotation.

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• 17.

### The the bright part of the moon is getting smaller, the moon is waxing.

• A.

True

• B.

False

B. False
Explanation
The statement is incorrect because when the bright part of the moon is getting smaller, it means that the moon is actually waning, not waxing. Waxing refers to the moon's illuminated area getting bigger, while waning refers to it getting smaller. Therefore, the correct answer is False.

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• 18.

### The image is an example of a Spring tide.

• A.

True

• B.

False

B. False
Explanation
The image provided does not depict a Spring tide. Spring tides occur when the Sun, Moon, and Earth align, causing the highest high tides and lowest low tides. However, the image does not show any alignment or indicate the presence of the Moon. Therefore, it cannot be an example of a Spring tide.

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• Current Version
• Mar 20, 2023
Quiz Edited by
ProProfs Editorial Team
• May 02, 2018
Quiz Created by
Dingram

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