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High Mass Stars
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9th - 12th grade
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Other Sciences
3 years ago by
craniumfire
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High Mass Stars
DRAFT
3 years ago by
craniumfire
9th - 12th grade
Other Sciences
Played 1171 times
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71% average accuracy
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21 questions
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Question 1
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30 seconds
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Q. What are the two opposing forces that keep stars between collapsing and inflating?
answer choices
centripetal force and electron degeneracy force
centripetal force and the pressure of hot gasses
gravity and electron degeneracy force
gravity and the pressure of hot gasses
centripetal force and electron degeneracy force
alternatives
centripetal force and the pressure of hot gasses
gravity and electron degeneracy force
gravity and the pressure of hot gasses
answer explanation
Question 2
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Q. Hydrogen fusion makes helium. "T
riple-alpha" h
elium fusion makes ___
answer choices
lithium
boron
carbon
sulfur
lithium
alternatives
boron
carbon
sulfur
answer explanation
Question 3
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Q. Carbon will fuse in the core of a star that has more relative mass than ___
answer choices
about four times the Sun's mass
about eight times the Sun's mass
about 18 times the Sun's mass
about 40 times the Sun's mass
about four times the Sun's mass
alternatives
about eight times the Sun's mass
about 18 times the Sun's mass
about 40 times the Sun's mass
answer explanation
Question 4
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Q.
If a star has more than about eight times the Sun's mass, it can fuse carbon into ___
answer choices
neon, magnesium and some sodium
oxygen, magnesium and some sodium
neon, oxygen and some sodium
neon, magnesium and some oxygen
neon, magnesium and some sodium
alternatives
oxygen, magnesium and some sodium
neon, oxygen and some sodium
neon, magnesium and some oxygen
answer explanation
Question 5
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Q. A star becomes a ticking time-bomb once silicon starts fusing into ___
answer choices
calcium
cadmium
iron
lead
calcium
alternatives
cadmium
iron
lead
answer explanation
Question 6
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Q. When helium fusion begins, a massive, blue, main sequence star will become ___
answer choices
a red dwarf
a blue dwarf
a blue giant
a red super giant
a red dwarf
alternatives
a blue dwarf
a blue giant
a red super giant
answer explanation
Question 7
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Q. Which bright star, in the constellation Orion, is a red super giant?
answer choices
Rigel
Betelgeuse
Bellatrix
Saiph
Rigel
alternatives
Betelgeuse
Bellatrix
Saiph
answer explanation
Question 8
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Q. VY Canis Majoris, the largest known star, is two billion km across and is classified as ___
answer choices
a hypergoliath
a mega-titan
a hypergiant
a mega-leviathan
a hypergoliath
alternatives
a mega-titan
a hypergiant
a mega-leviathan
answer explanation
Question 9
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Q. The core of a supergiant star looks like an onion because it has ___
answer choices
white inner layers
a brown outer layer
multiple layers
a bulb shape
white inner layers
alternatives
a brown outer layer
multiple layers
a bulb shape
answer explanation
Question 10
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Q. The Sun can fuse hydrogen for over ten billion years, while a star twice as massive runs out of hydrogen in ___
answer choices
two billion years
five billion years
the same amount of time
twenty billion years
two billion years
alternatives
five billion years
the same amount of time
twenty billion years
answer explanation
Question 11
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Q. In massive stars, the fusion of which element occurs at a "ridiculously high rate"?
answer choices
carbon
neon
oxygen
silicon
carbon
alternatives
neon
oxygen
silicon
answer explanation
Question 12
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Q. Which element, in its creation, removes energy from a star's core and also sucks up electrons?
answer choices
neon
oxygen
silicon
iron
neon
alternatives
oxygen
silicon
iron
answer explanation
Question 13
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Q. As the core collapses, if a star has less than twenty times the Sun's mass, it becomes ___
answer choices
a white dwarf
a neutron star
a brown dwarf
a black hole
a white dwarf
alternatives
a neutron star
a brown dwarf
a black hole
answer explanation
Question 14
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Q. As the core collapses, if a star has more than twenty times the Sun's mass, it becomes ___
answer choices
a white dwarf
a neutron star
a planetary nebula
a black hole
a white dwarf
alternatives
a neutron star
a planetary nebula
a black hole
answer explanation
Question 15
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Q. The collapse of a star's core generates vast numbers of elusive subatomic particles called ___
answer choices
neutrinos
neutrons
photons
quarks
neutrinos
alternatives
neutrons
photons
quarks
answer explanation
Question 16
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Q. When the vast wave of neutrinos slams into the oncoming outer material, the explosion is called ___
answer choices
a supernova
a super-aster
a meganova
a mega-aster
a supernova
alternatives
a super-aster
a meganova
a mega-aster
answer explanation
Question 17
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Q. During a supernova, the expanding gas blasts outward at ___
answer choices
2% of the speed of light
10% of the speed of light
20% of the speed of light
40% of the speed of light
2% of the speed of light
alternatives
10% of the speed of light
20% of the speed of light
40% of the speed of light
answer explanation
Question 18
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Q. The Crab Nebula, formed from expanding material, is called ___
answer choices
an open cluster
a planetary nebula
a supernova remnant
a globular cluster
an open cluster
alternatives
a planetary nebula
a supernova remnant
a globular cluster
answer explanation
Question 19
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Q. Betelgeuse will certainly explode some day, but it's ___
answer choices
too far away to hurt us
too far away to see
too small to be a supernova
too small too see
too far away to hurt us
alternatives
too far away to see
too small to be a supernova
too small too see
answer explanation
Question 20
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Q. The creation of heavy elements during a supernova explosion is called ___
answer choices
explosive amalgamation
fusion amalgamation
explosive nucleosynthesis
nuclear coalescence
explosive amalgamation
alternatives
fusion amalgamation
explosive nucleosynthesis
nuclear coalescence
answer explanation
Question 21
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Q. The majority of heavy elements in the universe were created and scattered by ___
answer choices
supernovae
the Big Bang
planetary nebulae
star formation
supernovae
alternatives
the Big Bang
planetary nebulae
star formation
answer explanation
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