Question 1

Why was the Davis experiment only able to detect one-third of the neutrinos originally predicted?

Accepted Answer

A)   Most of the neutrinos were absorbed by Earth's atmosphere.
B)   The neutrinos combined with other particles as they entered Earth's atmosphere.
C)   The neutrinos distributed evenly among three different flavors while traveling to Earth.
D)   The number of neutrinos was too great to be held in the tank that Davis designed.
E)   The other two-thirds of neutrinos dissipated while traveling to Earth.F) A) and C)
G) A) and D)

Question 2

What are the only four forces that can affect matter?

Accepted Answer

The four forces are ...

Question 3

What occurs during nuclear fusion within the Sun and how much energy is produced?

Accepted Answer

The fusion of hydrogen into helium in th...

Question 4

How many nuclear reactions occur in a proton-proton chain?

Accepted Answer

A)   one
B)   two
C)   three
D)   four
E)   fiveF) A) and E)
G) A) and D)

Question 5

Magnetic fields on the Sun can be measured by observing the splitting of atomic spectral lines due to the __________ effect.

Accepted Answer

Zeeman eff...

Question 6

The _____ occurs when some of the energy in the convective motion of gas is converted into magnetic field energy.

Accepted Answer

A)   Zeeman effect
B)   Maunder minimum
C)   meridional flow
D)   dynamo effect
E)   reconnection eventF) D) and E)
G) A) and E)

Question 7

Granulation is evidence that energy in the photosphere ____.

Accepted Answer

A)   is flowing downward towards the core
B)   stays horizontal on the surface
C)   is spiraling westward
D)   is spiraling eastward
E)   is flowing upwardF) B) and E)
G) A) and C)

Question 8

What causes granulation on the photosphere?

Accepted Answer

A)   convection
B)   solar cycle
C)   magnetic fields
D)   bursts of energy
E)   differential rotationF) A) and E)
G) B) and D)

Question 9

The layer above the chromosphere is the photosphere.

Accepted Answer

A) True 
 B)False

Question 10

The visible surface of the Sun is composed of solid matter.

Accepted Answer

A) True 
 B)False

Question 11

The number of _______________ visible on the Sun varies in a cycle with a period of 11 years.

Accepted Answer

The answer of The number of _______________ visible on the...

Question 12

When the Sun generates its own energy, it uses weak forces to bind together atomic nuclei.

Accepted Answer

A) True 
 B)False

Question 13

What methodology do astronomers use to map the inside of the Sun?

Accepted Answer

A)   heliogeology
B)   chromography
C)   coronagraphy
D)   helioseismology
E)   magnetic field mappingF) None of the above
G) B) and D)

Question 14

Granulation is caused by convection currents just below the photosphere.

Accepted Answer

A) True 
 B)False

Question 15

Stars, like our Sun, generate their energy by way of nuclear _______________.

Accepted Answer

The answer of Stars, like our Sun, generate their energy...

Question 16

The solar wind extends to the _______________ , marking an outer boundary of the Solar System.

Accepted Answer

The answer of The solar wind extends to the _______________...

Question 17

What causes auroras and where are they most prominent on Earth?

Accepted Answer

Coronal mass ejections erupt from Sun's ...

Question 18

Spicules can trigger communications blackouts and auroras on Earth.

Accepted Answer

A) True 
 B)False

Question 19

The Babcock model of the solar magnetic cycle explains the sunspot cycle as primarily a consequence of the Sun's ____.

Accepted Answer

A)   meridional flow
B)   convection currents
C)   differential rotation
D)   coronal mass ejections
E)   helioseimologic activityF) A) and E)
G) B) and D)

Question 20

Helioseismology maps of rotation in the Sun's interior show that its internal gases rotate with equal periods.

Accepted Answer

A) True 
 B)False

Exam 8: The Sun

The _____ occurs when some of the energy in the convective motion of gas is converted into magnetic field energy.

Correct AnswerverifiedShow Answer

Spicules can trigger communications blackouts and auroras on Earth.

Correct AnswerverifiedShow Answer

How many nuclear reactions occur in a proton-proton chain?

Correct AnswerverifiedShow Answer

The number of _______________ visible on the Sun varies in a cycle with a period of 11 years.

Correct AnswerverifiedShow Answer

What causes auroras and where are they most prominent on Earth?

Correct AnswerverifiedCoronal mass ejections erupt from Sun's ...View AnswerShow Answer

When the Sun generates its own energy, it uses weak forces to bind together atomic nuclei.

Correct AnswerverifiedShow Answer

Helioseismology maps of rotation in the Sun's interior show that its internal gases rotate with equal periods.

Correct AnswerverifiedShow Answer

What occurs during nuclear fusion within the Sun and how much energy is produced?

Correct AnswerverifiedThe fusion of hydrogen into helium in th...View AnswerShow Answer

The solar wind extends to the _______________ , marking an outer boundary of the Solar System.

Correct AnswerverifiedShow Answer

Granulation is caused by convection currents just below the photosphere.

Correct AnswerverifiedShow Answer

What methodology do astronomers use to map the inside of the Sun?

Correct AnswerverifiedShow Answer

Granulation is evidence that energy in the photosphere ____.

Correct AnswerverifiedShow Answer

The visible surface of the Sun is composed of solid matter.

Correct AnswerverifiedShow Answer

What are the only four forces that can affect matter?

Correct AnswerverifiedThe four forces are ...View AnswerShow Answer

What causes granulation on the photosphere?

Correct AnswerverifiedShow Answer

The layer above the chromosphere is the photosphere.

Correct AnswerverifiedShow Answer

The Babcock model of the solar magnetic cycle explains the sunspot cycle as primarily a consequence of the Sun's ____.

Correct AnswerverifiedShow Answer

Magnetic fields on the Sun can be measured by observing the splitting of atomic spectral lines due to the __________ effect.

Correct AnswerverifiedZeeman eff...View AnswerShow Answer

Why was the Davis experiment only able to detect one-third of the neutrinos originally predicted?

Correct AnswerverifiedShow Answer

Stars, like our Sun, generate their energy by way of nuclear _______________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Coronal mass ejections erupt from Sun's ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The fusion of hydrogen into helium in th...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The four forces are ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Zeeman eff...
View Answer

Correct Answer
verified

Correct Answer
verified