Question 1

The amount of the Earth's surface receiving sunlight during the day is

Accepted Answer

A)   the same in the northern and southern hemispheres during June.
B)   less in the southern hemisphere than in the northern hemisphere during December.
C)   more in the northern hemisphere than in the southern hemisphere during December.
D)   less in the northern hemisphere than in the southern hemisphere during December.

Question 2

Earth experiences seasons because of the tilt of its axis.What are the two consequences of this tilt that contribute to the seasons?

Accepted Answer

(1)Variation in the ...

Question 3

At what time does the waxing gibbous phase rise?

Accepted Answer

A)   3 P.M.
B)   9 A.M.
C)   3 A.M.
D)   9 P.M.

Question 4

The meridian is defined as a great circle on the sky on which lie the:

Accepted Answer

A)   celestial equator and vernal equinox.
B)   north and south celestial poles.
C)   zenith and the north and south celestial poles.
D)   zenith and east and west directions.

Question 5

For the following figure,label the north and south celestial poles,the celestial equator,and the ecliptic.

Accepted Answer

The answer of For the following figure,label the north and...

Question 6

Solar and lunar eclipses are rare because the Moon's orbital plane is tipped by:

Accepted Answer

A)   5.2° relative to the plane defined by Earth's equator.
B)   5.2° relative to Earth's orbital plane.
C)   23.5° relative to the plane defined by Earth's equator.
D)   23.5° relative to Earth's orbital plane.

Question 7

If the north celestial pole is located at your zenith,what is your latitude?

Accepted Answer

A)   0°
B)   +30°
C)   +60°
D)   +90°
E)   This occurs at every latitude.

Question 8

We experience seasons because:

Accepted Answer

A)   Earth's equator is tilted relative to the plane of the Earth's orbit around the Sun.
B)   Earth is closer to the Sun in summer and farther from the Sun in the winter.
C)   the length of the day is longer in the summer and shorter in the winter.
D)   Earth moves with a slower speed in its orbit during summer and a faster speed during winter.

Question 9

Which of the following is FALSE?

Accepted Answer

A)   Everyone on Earth observes the same phase of the Moon on a given night.
B)   The phases of the Moon cycle with a period of approximately 1 month.
C)   In some phases, the Moon can be observed during the day.
D)   The observed phase of the Moon changes obviously over the course of one night.

Question 10

We observe different phases of the Moon because:

Accepted Answer

A)   the Moon passes through different portions of the Earth's shadow during its orbit.
B)   some parts of the Moon reflect and other parts absorb sunlight.
C)   the orbital position of the Moon determines which portion and how much of the lunar surface is illuminated by sunlight.
D)   the Moon emits light in some places and only reflects light in other places.

Question 11

The figure below shows the different phases of the Moon.Label each phase of the Moon shown.

Accepted Answer

The answer of The figure below shows the different phases...

Question 12

On which day of the year does the Sun reach its northern-most point in the sky?

Accepted Answer

A)   vernal equinox
B)   summer solstice
C)   autumnal equinox
D)   winter solstice

Question 13

In consecutive non-leap years,the exact time at which the Autumnal or Vernal Equinoxes occurs is:

Accepted Answer

A)   later than the times they occurred in the previous year.
B)   earlier than the times it occurred in the previous year.
C)   exactly the same times they occurred in the previous year.
D)   randomly earlier or later than the times they occurred in the previous year.

Question 14

Approximately how often do lunar eclipses occur?

Accepted Answer

A)   twice every year
B)   once per month
C)   twice every 11 months
D)   once every 11 years

Question 15

The figure below shows the different phases of the Moon.Label each phase of the Moon.What time would the full Moon be on your meridian? The new Moon?

Accepted Answer

<img  loading="lazy" src="/assets/images/blured-textbook.svg" class="d-inline m-1" alt="blured image" width="139" height="30"> The full Moon would...

Question 16

What would be the effect on the seasons if the tilt of Earth's axis were 10° rather than 23.5°?

Accepted Answer

If the tilt of Earth's axis were smaller...

Question 17

Assume you are observing the night sky from a typical city in the United States at a latitude of +40°.Use the figure below to determine which month it is if the zodiac constellation Taurus is on your meridian at midnight.

Accepted Answer

A)   July
B)   November
C)   January
D)   May

Question 18

The apparent path of the Sun across the celestial sphere during a year is called the:

Accepted Answer

A)   prime meridian.
B)   ecliptic plane.
C)   circumpolar plane.
D)   celestial equator.

Question 19

No matter where you are on Earth,stars appear to rotate about a point called the:

Accepted Answer

A)   zenith.
B)   celestial pole.
C)   meridian.
D)   equinox.

Question 20

The Earth's axial tilt is 23.5 degrees.If the Earth's axial tilt was 15 degrees,which would be TRUE?

Accepted Answer

A)   The seasons would remain the same.
B)   Summers would be warmer.
C)   Winters would last longer.
D)   Winters would be warmer.

Exam 2: Patterns in the Skymotions of Earth and the Moon

Approximately how often do lunar eclipses occur?

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Assume you are observing the night sky from a typical city in the United States at a latitude of +40°.Use the figure below to determine which month it is if the zodiac constellation Taurus is on your meridian at midnight.

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Solar and lunar eclipses are rare because the Moon's orbital plane is tipped by:

Correct AnswerverifiedShow Answer

On which day of the year does the Sun reach its northern-most point in the sky?

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What would be the effect on the seasons if the tilt of Earth's axis were 10° rather than 23.5°?

Correct AnswerverifiedIf the tilt of Earth's axis were smaller...View AnswerShow Answer

We experience seasons because:

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The amount of the Earth's surface receiving sunlight during the day is

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In consecutive non-leap years,the exact time at which the Autumnal or Vernal Equinoxes occurs is:

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The Earth's axial tilt is 23.5 degrees.If the Earth's axial tilt was 15 degrees,which would be TRUE?

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Earth experiences seasons because of the tilt of its axis.What are the two consequences of this tilt that contribute to the seasons?

Correct Answerverified(1)Variation in the ...View AnswerShow Answer

The apparent path of the Sun across the celestial sphere during a year is called the:

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Which of the following is FALSE?

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The figure below shows the different phases of the Moon.Label each phase of the Moon shown.

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No matter where you are on Earth,stars appear to rotate about a point called the:

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For the following figure,label the north and south celestial poles,the celestial equator,and the ecliptic.

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We observe different phases of the Moon because:

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The figure below shows the different phases of the Moon.Label each phase of the Moon.What time would the full Moon be on your meridian? The new Moon?

Correct Answerverified The full Moon would...View AnswerShow Answer

At what time does the waxing gibbous phase rise?

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The meridian is defined as a great circle on the sky on which lie the:

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If the north celestial pole is located at your zenith,what is your latitude?

Correct AnswerverifiedShow Answer

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If the tilt of Earth's axis were smaller...
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(1)Variation in the ...
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The full Moon would...
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