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The Sun #2
Test Description: Review Practice
Instructions: Answer all questions to get your test result.
1) The primary source of fuel for the sun is
A
Helium
B
Iron
C
Carbon
D
Hydrogen
2) During the Red Giant Stage, how is energy generated in a star's core?
A
Hydrogen ifuses nto helium
B
Helium fuses into carbon
C
Carbon fuses into hydrogen
D
Carbon fuses into iron
3) A sunspot cycle begins with
A
The location of sunspots on the sun suddenly changes
B
The number of sunspots is very high but begins to decrease
C
There is a sudden increase in the number of sunspots all across the sun
D
The number of sunspots is very low but begins to increase
4) During nuclear fusion in the sun, which of the following occurs?
A
The aurora austral appears
B
Hydrogen nucleus combine to produce a helium nucleus
C
A solar eclipse results
D
Atomic nucleus splits apart
5) What did sunspots first reveal about the sun?
A
the sun rotates
B
the sun is fueled by nuclear fusion
C
the sun is not made of fire
D
the sun has a core
6) To identify the elements in a star's atmosphere, scientists
A
match the spectral lines of starlight against the spectra of gases in Earth's atmosphere
B
match the spectral lines of starlight to one another
C
match the spectral lines of starlight against the spectra from the known stars
D
match the spectral lines of starlight to those of Earth's elements
7) A star that will live the longest has a starting mass that is
A
large
B
small
C
medium
8) The core of a white dwarf star is mostly made of
A
Hydrogen
B
Iron
C
Carbon
D
Helium
9) Gusts of solar winds can cause
A
Rotation
B
Magnetic Storms
C
Nuclear Fusion
D
Nuclear Fission
10) What are solar flares?
A
violent, explosive release of solar energy
B
colored light produced when charged particles from the solar wind react with Earth's upper atmosphere
C
glowing cloud of gas that arches over the sun's surface
D
cooler, dark areas of the photosphere of the sun
11) A supernova is the explosion of a dying
A
low-mass star
B
medium-mass star
C
high-mass star
D
protosar
12) A black hole is
A
a large cloud of gas or dust in space
B
a neutron star that emits radio waves
C
a large, bright star whose hot, core has used most of its hydrogen
D
an object so dense that even light cannot escape its gravity
*select an answer for all questions
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