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The Sun
Test Description: Structure and features of the sun
Instructions: Answer all questions to get your test result.
1) The Sun is made up of
A
1/4 hydrogen and 3/4 helium
B
1/4 oxygen and 3/4 hydrogen
C
3/4 oxygen and 1/4 helium
D
3/4 hydrogen and 1/4 helium
2) Sunspots are darker than the rest of the sun because...
A
they are made up of a different gas
B
they are mini black holes
C
they are warmer spots of gas
D
they are cooler spots of gas
3) How much mass of the solar system does the Sun account for?
A
80%
B
100%
C
99%
D
99.8%
4) The Sun rotates once every 25.4 days at the equator and near the poles it can take as long as 36 days. Why?
A
Because it is such a large star.
B
Because the Sun is not a solid body like the Earth it is made of gases.
C
Because the equator and poles of the Sun are made up different elements.
D
Because of the gravitational pull of the Earth.
5) This process produces the Sun's energy
A
fusion
B
fission
C
photosynthesis
D
respiration
6) This is the layer of the sun that we see?
A
radiative zone
B
core
C
photosphere
D
convection zone
7) Name the layers of the sun in order from innermost to outermost
A
radiation zone, convection zone, core
B
photosphere, corona, radiation zone
C
core, convection zone, radiation zone
D
core, radiation zone, convection zone
8) What are the three layers of the Sun's atmosphere from the innermost to the outermost?
A
photosphere, chromosphere, corona
B
chromosphere, photosphere, corona
C
photosphere, corona, chromosphere
D
corona, photosphere, chromosphere
9) One type of solar storm is a _______.
A
prominence
B
solar flare
C
solar wind
D
sunspot
10) What state of matter is the Sun?
A
a gas
B
plasma
C
a solid
D
a liquid
11) Huge loops of plasma that erupt from the Sun's surface are _________.
A
solar flares
B
solar wind
C
prominences
D
sunspots
12) A stream of charged particles from the Sun that stream out into space.
A
solar flares
B
solar wind
C
prominences
D
sunspots
13) How hot is the Sun's core?
A
About 15 million degrees Celsius
B
About 5000 degrees Celsius
C
About 500 degrees Celsius
D
One million degrees Celsius
14) How many Earth's could fit inside the Sun?
A
100
B
1,000,000
C
1000
D
100,000
15) What type of star is our Sun?
A
white dwarf
B
yellow dwarf
C
red giant
D
yellow giant
*select an answer for all questions
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