Question 1

The ____ moon is visible above the eastern horizon a couple of hours before sunrise.

Accepted Answer

A)   waning gibbous
B)   waxing gibbous
C)   waxing crescent
D)   waning crescent
E)   new moon

Question 2

The sun is on the celestial equator at the times of the

Accepted Answer

A)   vernal equinox and the summer solstice.
B)   autumnal equinox and the vernal equinox.
C)   summer solstice and the winter solstice.
D)   autumnal equinox and the winter solstice.
E)   sun is on the ecliptic and is never on the celestial equator.

Question 3

A(n)  ____ is a set of beliefs that appears to be based on scientific ideas, but which fails to obey the most basic rules of science.

Accepted Answer

A)   theory
B)   hypothesis
C)   pseudoscience
D)   allegory
E)   scientific model

Question 4

A lunar eclipse that occurs when the moon moves completely into Earth's umbral shadow is called

Accepted Answer

A)   a total solar eclipse.
B)   a partial solar eclipse.
C)   an annular eclipse.
D)   a penumbral lunar eclipse.
E)   a total lunar eclipse.

Question 5

The seasons are caused by the precession of Earth's axis.

Accepted Answer

A) True 
 B)False

Question 6

What would you see if you were on the moon and facing Earth when people on Earth saw a total lunar eclipse?

Accepted Answer

If you were on the moon facing Earth dur...

Question 7

On the vernal equinox the sun is

Accepted Answer

A)   23° north of the celestial equator.
B)   23° south of the celestial equator.
C)   on the celestial equator and moving north with respect to the equator.
D)   on the celestial equator and moving south with respect to the equator.
E)   closest to the north celestial pole.

Question 8

Assume all else is unchanged, and the Earth's rotational axis is perpendicular to the ecliptic. As a result, seasonal variations on the Earth would

Accepted Answer

A)   be practically non-existent.
B)   remain the same as they are at now.
C)   have the same severity but each season would last twice as long.
D)   be much more severe.

Question 9

The path of totality for a solar eclipse is swept out by the tip of the moon's umbra as the umbra moves over Earth.

Accepted Answer

A) True 
 B)False

Question 10

Why have more people seen total lunar eclipses than total solar eclipses?

Accepted Answer

The answer of Why have more people seen total lunar...

Question 11

Earth doesn't experience a solar eclipse every month because

Accepted Answer

A)   of unpredictable weather patterns.
B)   the moon always keeps its same side toward the Earth.
C)   the moon's orbit plane is not aligned with the Earth's orbit plane.
D)   its sometimes nighttime when the eclipse occurs.
E)   sometimes the moon is too far away.

Question 12

Precession of Earth's axis causes the date at which perihelion of Earth's orbit occurs to slowly change.

Accepted Answer

A) True 
 B)False

Question 13

The ____________________ period (or "month") of the moon is the time required for one revolution of the moon around Earth with respect to the stars.

Accepted Answer

The answer of The ____________________ period (or "month") of the...

Question 14

The figure shows the ______ and _____ moon phases..

Accepted Answer

A)   crescent; first quarter
B)   new; new
C)   crescent; full
D)   first quarter; full

Question 15

How can tidal forces affect the rotation of celestial bodies and their orbital motion?

Accepted Answer

Tidal forces can affect the rotation of ...

Question 16

The ____ of the moon is the period of time for the moon to complete a cycle of the lunar phases and is approximately 29.5 days long.

Accepted Answer

A)   sidereal period
B)   saros cycle
C)   synodic period
D)   eclipse season
E)   umbral period

Question 17

Explain why people who live close to the equator do not experience major changes in the seasons.

Accepted Answer

The answer of Explain why people who live close to...

Question 18

If the moon's orbital plane was aligned with the celestial equator we could

Accepted Answer

A)   have eclipses every month.
B)   never have eclipses.
C)   have eclipses only at solstice.
D)   have eclipses only at the equinoxes.

Question 19

The third quarter moon rises at noon.

Accepted Answer

A) True 
 B)False

Question 20

A(n) ____________________ eclipse occurs when the moon is at its greatest distance from Earth and the moon is new and at a node in its orbit.

Accepted Answer

The answer of A(n) ____________________ eclipse occurs when the moon...

Exam 3: Cycles of the Sun and Moon

Why have more people seen total lunar eclipses than total solar eclipses?

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The sun is on the celestial equator at the times of the

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The path of totality for a solar eclipse is swept out by the tip of the moon's umbra as the umbra moves over Earth.

Correct AnswerverifiedShow Answer

Precession of Earth's axis causes the date at which perihelion of Earth's orbit occurs to slowly change.

Correct AnswerverifiedShow Answer

The ____ of the moon is the period of time for the moon to complete a cycle of the lunar phases and is approximately 29.5 days long.

Correct AnswerverifiedShow Answer

The seasons are caused by the precession of Earth's axis.

Correct AnswerverifiedShow Answer

The ____________________ period (or "month") of the moon is the time required for one revolution of the moon around Earth with respect to the stars.

Correct AnswerverifiedShow Answer

How can tidal forces affect the rotation of celestial bodies and their orbital motion?

Correct AnswerAnswered by ExamLex AITidal forces can affect the rotation of ...View AnswerShow Answer

A(n) ____ is a set of beliefs that appears to be based on scientific ideas, but which fails to obey the most basic rules of science.

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The third quarter moon rises at noon.

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Earth doesn't experience a solar eclipse every month because

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The figure shows the ______ and _____ moon phases..

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If the moon's orbital plane was aligned with the celestial equator we could

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What would you see if you were on the moon and facing Earth when people on Earth saw a total lunar eclipse?

Correct AnswerAnswered by ExamLex AIIf you were on the moon facing Earth dur...View AnswerShow Answer

Assume all else is unchanged, and the Earth's rotational axis is perpendicular to the ecliptic. As a result, seasonal variations on the Earth would

Correct AnswerverifiedShow Answer

A lunar eclipse that occurs when the moon moves completely into Earth's umbral shadow is called

Correct AnswerverifiedShow Answer

Explain why people who live close to the equator do not experience major changes in the seasons.

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The ____ moon is visible above the eastern horizon a couple of hours before sunrise.

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On the vernal equinox the sun is

Correct AnswerverifiedShow Answer

A(n) ____________________ eclipse occurs when the moon is at its greatest distance from Earth and the moon is new and at a node in its orbit.

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Tidal forces can affect the rotation of ...
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The figure shows the __ and _ moon phases..

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If you were on the moon facing Earth dur...
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