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The Sun
Test Description: Review questions about the Sun.
Instructions: Answer all questions to get your test result.
1) Which layer of the Sun\\\'s atmosphere is the hottest?
A
corona
B
photosphere
C
chromosphere
D
none of these are correct
2) The Sun\\\'s density is greatest in which region?
A
chromosphere
B
corona
C
convective zone
D
core
3) Most of the light from the Sun is in which part of the electromagnetic spectrum?
A
microwave
B
radio
C
visible
D
x-ray
4) The Sun\\\'s energy moves within the radiative zone via_____________.
A
atoms
B
Van Allen radiation
C
convection
D
photons
5) An Aurora is produced when there is a collision between ________________ and _______________ in Earth\\\'s upper atmosphere.
A
light; atoms and molecules
B
the solar wind; atoms and molecules
C
neutrinos; atoms and molecules
D
atoms; molecules
6) Which statement BEST explains why the Sun is a star?
A
It\\\'s a huge ball of gas.
B
It creates its own energy through nuclear fusion
C
The planets all orbit it
D
It\\\'s in the center of the solar system
7) Our Sun is considered a(n) ___________________ star.
A
giant
B
large
C
small
D
average
8) Ninety percent of the Sun is composed of which element?
A
carbon
B
hydrogen
C
iron
D
helium
9) Nuclear fusion occurs in which region of the Sun?
A
corona
B
chromosphere
C
core
D
convection zone
10) Which region of the Sun is brightest in x-ray and uv images?
A
chromosphere
B
core
C
corona
D
photosphere
*select an answer for all questions
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