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