Question 1

The Solar System,Sun,and Earth formed about 4.6 to 5 billion years ago.

Accepted Answer

A) True 
 B)False

Question 2

Auroras in the upper atmosphere are stimulated by streams of charged (ionized)particles emitted by the Sun.

Accepted Answer

A) True 
 B)False

Question 3

While standing at the Tropic of Cancer,Emma's shadow points north at noon (Sun time) .Based on this,which of the following can be definitely concluded?

Accepted Answer

A)  It must be the June solstice.
B)  It must be the December solstice.
C)  It must be one of the equinoxes.
D)  It must not be the June solstice.
E)  It must not be the December solstice.

Question 4

Which of the following accurately describes Earth's distance from the Sun?

Accepted Answer

A)  the Earth-Sun distance averages 150 million kilometers.
B)  it takes light an average of 8 hours and 20 seconds to travel from the Sun to Earth.
C)  Earth is closer to the Sun in July (perihelion) and farther away in January (aphelion) .
D)  it varies by up to 50% throughout its orbit
E)  it remains constant through time.

Question 5

Which of the following statements is correct?

Accepted Answer

A)  a star and the planets that orbit it make up a solar system.
B)  it takes light about 10 000 years to cross our galaxy.
C)  a galaxy consists of hundreds of solar systems.
D)  when we look at the stars in the night sky,we are looking forward in time.
E)  time and distance are not related in the universe.

Question 6

Large magnetic disturbances on the Sun's surface are called sunspots and produce increased amounts of solar wind.

Accepted Answer

A) True 
 B)False

Question 7

Draw and label a diagram of the Earth-Sun relationship for the four seasons.Include the average distance from Earth to the Sun,the location of the subsolar point for each seasonal event,and the name and date for each of the solstices and equinoxes.

Accepted Answer

The answer of Draw and label a diagram of the...

Question 8

All places on Earth receive the same period of day and night on March 21.

Accepted Answer

A) True 
 B)False

Question 9

To answer the following questions,refer to the figure below.Assume that it shows the orbit of a hypothetical planet in another part of the galaxy and that this planet has an axial tilt of 20°.(Note the direction of the axial tilt and the direction of the orbit. ) 
 
-On Earth,the Sun passes directly overhead at 25° north latitude ________ times a year.

Accepted Answer

A)  0
B)  1
C)  2
D)  4
E)  6

Question 10

Sunspots vary in a cycle from 7 to 17 years,averaging 11 years from a maximum to maximum peak.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following have been correlated with sunspot cycles?

Accepted Answer

A)  abnormally wet years
B)  droughts
C)  both A and B
D)  none of the above

Question 12

Light travels at a speed of approximately

Accepted Answer

A)  80 500 kilometres per hour.
B)  300 000 kilometres per hour.
C)  300 000 kilometres per second.
D)  1 000 000 000 kilometres per second.
E)  400 000 kilometres per year.

Question 13

On the northern hemisphere's summer solstice,the north polar region receives more total daily energy than the equator.

Accepted Answer

A) True 
 B)False

Question 14

The basic idea behind the planetesimal hypothesis is that

Accepted Answer

A)  planets form as a direct result of the nuclear fusion of nebular gases and planetesimals.
B)  planets form from the remains of super-giant planetesimals that undergo nuclear fission and blow apart,thereby creating smaller objects-the planets.
C)  early in the solar system's history,a star passed near to the Sun and pulled off gases that eventually condensed to form planets.
D)  matter in a nebula experiences mutual gravitational attraction,and this results in the gradual accretion of larger and larger bodies-planetesimals.
E)  electrical space storms charged particles that were attracted together to form planets.

Question 15

Do high latitudes receive less energy than the equatorial regions? Why?

Accepted Answer

A)  yes the orientation of Earth's surface relative to the Sun's rays diminishes the intensity of solar radiation at high latitudes.
B)  no the Sun's rays must pass through more atmosphere at higher latitudes.
C)  yes the poles point toward the sun for a significant time each year.
D)  no each latitude receives the same amount of energy at the surface

Question 16

Earth's magnetosphere is generated by

Accepted Answer

A)  nuclear fusion in Earth's core.
B)  nuclear fission in Earth's core.
C)  dynamo-like motions in Earth's interior.
D)  gravitational accretion.
E)  advection.

Question 17

To answer the following questions,refer to the figure below.Assume that it shows the orbit of a hypothetical planet in another part of the galaxy and that this planet has an axial tilt of 20°.(Note the direction of the axial tilt and the direction of the orbit. ) 
 
-According to Figure MC2,at what position would daylight last for 24 hours for observers located north of the Arctic Circle?

Accepted Answer

A)  A
B)  B
C)  C
D)  D

Question 18

Which of the following statements is true?

Accepted Answer

A)  December 21 = vernal equinox.
B)  September 22 = summer solstice in Australia.
C)  March 21 = equal day and nights everywhere on Earth.
D)  June 21 = equal day and nights everywhere on Earth.
E)  December 21 = subsolar point at the Tropic of Cancer.

Question 19

On June 21,the Sun never sets at Finn's location.Based on this,it can be concluded that Finn lives

Accepted Answer

A)  between the Tropic of Cancer and the Arctic Circle.
B)  between the Tropic of Capricorn and the Antarctic Circle.
C)  above the Arctic Circle.
D)  below the Antarctic Circle.
E)  in northern Newfoundland.

Question 20

The uneven distribution of insolation by latitude is primarily a result of

Accepted Answer

A)  variability in the Sun's output.
B)  the changing distance of Earth from the Sun.
C)  variation in the value of a watt.
D)  Earth's sphericity,which presents varied angles to parallel solar rays.
E)  the longterm decrease in the Sun's energy output.

Exam 2: Solar Energy to Earth and the Seasons

The basic idea behind the planetesimal hypothesis is that

Correct Answer
verified

Do high latitudes receive less energy than the equatorial regions? Why?

Correct Answer
verified

Which of the following statements is correct?

Correct Answer
verified

Correct Answer
verified

The uneven distribution of insolation by latitude is primarily a result of

Correct Answer
verified

The Solar System,Sun,and Earth formed about 4.6 to 5 billion years ago.

Correct Answer
verified

Which of the following have been correlated with sunspot cycles?

Correct Answer
verified

On June 21,the Sun never sets at Finn's location.Based on this,it can be concluded that Finn lives

Correct Answer
verified

Which of the following accurately describes Earth's distance from the Sun?

Correct Answer
verified

Light travels at a speed of approximately

Correct Answer
verified

Earth's magnetosphere is generated by

Correct Answer
verified

Auroras in the upper atmosphere are stimulated by streams of charged (ionized)particles emitted by the Sun.

Correct Answer
verified

Large magnetic disturbances on the Sun's surface are called sunspots and produce increased amounts of solar wind.

Correct Answer
verified

Draw and label a diagram of the Earth-Sun relationship for the four seasons.Include the average distance from Earth to the Sun,the location of the subsolar point for each seasonal event,and the name and date for each of the solstices and equinoxes.

Correct Answer
verified

Correct Answer
verified

All places on Earth receive the same period of day and night on March 21.

Correct Answer
verified

While standing at the Tropic of Cancer,Emma's shadow points north at noon (Sun time) .Based on this,which of the following can be definitely concluded?

Correct Answer
verified

Sunspots vary in a cycle from 7 to 17 years,averaging 11 years from a maximum to maximum peak.

Correct Answer
verified

Which of the following statements is true?

Correct Answer
verified

On the northern hemisphere's summer solstice,the north polar region receives more total daily energy than the equator.

Correct Answer
verified

Exam 2: Solar Energy to Earth and the Seasons

The basic idea behind the planetesimal hypothesis is that

Correct AnswerverifiedShow Answer

Do high latitudes receive less energy than the equatorial regions? Why?

Correct AnswerverifiedShow Answer

Which of the following statements is correct?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The uneven distribution of insolation by latitude is primarily a result of

Correct AnswerverifiedShow Answer

The Solar System,Sun,and Earth formed about 4.6 to 5 billion years ago.

Correct AnswerverifiedShow Answer

Which of the following have been correlated with sunspot cycles?

Correct AnswerverifiedShow Answer

On June 21,the Sun never sets at Finn's location.Based on this,it can be concluded that Finn lives

Correct AnswerverifiedShow Answer

Which of the following accurately describes Earth's distance from the Sun?

Correct AnswerverifiedShow Answer

Light travels at a speed of approximately

Correct AnswerverifiedShow Answer

Earth's magnetosphere is generated by

Correct AnswerverifiedShow Answer

Auroras in the upper atmosphere are stimulated by streams of charged (ionized)particles emitted by the Sun.

Correct AnswerverifiedShow Answer

Large magnetic disturbances on the Sun's surface are called sunspots and produce increased amounts of solar wind.

Correct AnswerverifiedShow Answer

Draw and label a diagram of the Earth-Sun relationship for the four seasons.Include the average distance from Earth to the Sun,the location of the subsolar point for each seasonal event,and the name and date for each of the solstices and equinoxes.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

All places on Earth receive the same period of day and night on March 21.

Correct AnswerverifiedShow Answer

While standing at the Tropic of Cancer,Emma's shadow points north at noon (Sun time) .Based on this,which of the following can be definitely concluded?

Correct AnswerverifiedShow Answer

Sunspots vary in a cycle from 7 to 17 years,averaging 11 years from a maximum to maximum peak.

Correct AnswerverifiedShow Answer

Which of the following statements is true?

Correct AnswerverifiedShow Answer

On the northern hemisphere's summer solstice,the north polar region receives more total daily energy than the equator.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified