Midterm 4 The Sun Question Preview (ID: 9231)
Properties Of The Sun.
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How does the heat of the sun reach the earth?
a) radiation
b) vaporization
c) conduction
d) convection
What process produces the sun's energy?
a) nuclear fusion
b) magnetism
c) electricity
d) nuclear fission
Where does the process of fusion take place in the sun?
a) core
b) sunspots
c) corona
d) photosphere
What takes place when two hydrogen nuclei combine to form a hydrogen nucleus?
a) nuclear fusion produces heat
b) magnetism
c) gravitational pull
d) nuclear fission produces heat
What are the dark spots on th sun's surface?
a) sunspots
b) photosphere
c) solar flares
d) corona
How does the temperature of sunspots compare to the temperature of the sun's surface?
a) cooler
b) temperature varies
c) same temperature
d) hotter
What happens to the climate of the earth when the number of sunspots increases?
a) it gets hotter
b) it gets colder
c) no effect
d) it is rainier
The sun has enough fuel to last how many more years?
a) 5 billion
b) forever
c) 500 million
d) 5 trillion
What part of the sun is seen in a photograph?
a) photosphere
b) chromosphere
c) sunspots
d) corona
Where is most matter in the our solar system located?
a) the sun
b) the moon
c) the earth
d) the planets
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