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The Sun
Test Description: Answer the questions and complete your study guide.
Instructions: Answer all questions to get your test result.
1) A hot ball of gas in outer space that creates its own energy is called a
A
planet
B
star
C
comet
D
black hole
2) How far is the Sun from Earth?
A
10 AU
B
1 light-year
C
5 light-years
D
1 AU
3) How many Earths could fit inside the Sun?
A
1,000,000
B
100,000
C
1,000
D
100
4) What do scientists study to figure out how long it takes the Sun to make one rotation on its axis?
A
sunspots
B
auroras
C
prominences
D
flares
5) The Sun's hottest region, in which the Sun's energy is produced, is called the ______________.
A
chromosphere
B
corona
C
photosphere
D
core
6) The Sun is about ___________________years.
A
270,000
B
4,600,000,000
C
25,000,000
D
6,000
7) The Sun makes its own energy through a process called_________________.
A
Nuclear fission
B
Radiation
C
Nuclear fusion
D
Combustion
8) The Sun is primarily made up of ________________ and _____________________.
A
Silicon; carbon
B
Helium; silicon
C
Hydrogen; helium
D
Hydrogen; carbon
9) The Sun is classified as a ___________________star.
A
Giant
B
Neutron
C
Dwarf
D
Supergiant
10) The nearest star to Earth is ________________.
A
Proxima Centauri
B
The Sun
C
Betelgeuse
D
Rigel
*select an answer for all questions
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