Quiz Submissions - Chapter 14 Quiz
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Attempt 1
Written: Feb 17, 2020 5:34 PM - Feb 17, 2020 5:43 PM
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Question 1 		1 / 1 point

Nuclei of atoms are held together by gravity.
Question options:
	A) True
>	B) False

Question 2 		1 / 1 point
At the center of the Sun, the temperature is roughly 16 million K.
Question options:
>	A) True
	B) False
Question 3 		1 / 1 point
In the radiative zone inside the Sun, photons are transported from the core to the convective zone in a matter of seconds.
Question options:
	A) True
>	B) False
Question 4 		1 / 1 point

The fact that the surface of the Sun rings like a bell lets us understand its interior better.
Question options:
>	A) True
	B) False
Question 5 		1 / 1 point

The solar magnetic field switches polarity every 11 years.
Question options:
>	A) True
	B) False

Question 6 		1 / 1 point
Hydrostatic equilibrium is a balance between:
Question options:
	

a) 
	

heat and centrifugal force
	

b) 
	

core temperature and surface temperature
	

>c) 
	

pressure and gravity
	

d) 
	

radiation and heat
	

e) 
	

centrifugal force and gravity
Question 7 		1 / 1 point

The majority of the Sun’s energy comes from:
Question options:
	

a) 
	

gravitational contraction
	

b) 
	

nuclear fission of uranium
	

>c) 
	

hydrogen fusion
	

d) 
	

helium burning
	

e) 
	

burning material as in a fire
Question 8 		1 / 1 point

The detection of solar neutrinos confirms that:
Question options:
	

>a) 
	

the Sun’s core is powered by proton-proton fusion
	

b) 
	

energy transport by radiation occurs throughout much of the solar interior
	

c) 
	

magnetic fields are responsible for surface activity on the Sun
	

d) 
	

convection churns the base of the solar atmosphere
	

e) 
	

sunspots are cooler than the rest of the photosphere
Question 9 		1 / 1 point

Which of the layers of the Sun is located the furthest from the center of the Sun?
Question options:
	

a) 
	

Photosphere
	

b) 
	

Chromosphere
	

c) 
	

radiative zone
	

d) 
	

convective zone
	

>e) 
	

corona
Question 10 		1 / 1 point

The Sun’s internal magnetic field becomes tangled up over time because of:
Question options:
	

a) 
	

coronal holes
	

b) 
	

coronal mass ejections
	

>c) 
	

differential rotation
	

d) 
	

temperature changes in the Sun’s core
	

e) 
	

all of the above
Attempt Score:
10 / 10 - 100 %
Overall Grade (highest attempt):
10 / 10 - 100 %