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Chapter 19.2 Review (8th)
Test Description: The Life Cycle of Stars
Instructions: Answer all questions to get your test result.
1) The diagonal pattern location on the H-R diagram where most stars lie
A
main sequence
B
giants
C
white dwarf
D
hyper giants
2) An object that is so massive and dense that light cannot escape its gravity
A
black hole
B
white dwarf
C
main sequence star
D
supernova
3) A gigantic explosion in which a massive star collapses and throws it outer layers into space. The explosion is so powerful that it can be brighter than an entire galaxy for several days
A
pulsar
B
white dwarfs
C
supernova
D
neutron star
4) A graph that shows the relationship between a star’s surface temperature and absolute magnitude
A
Star diagram
B
H diagram
C
H-R diagram
D
R-H diagram
5) A rapidly spinning neutron star that emits rapid pulses of radio and optical energy
A
supernova
B
nebula
C
pulsar
D
black hole
6) The sun is a
A
white dwarf
B
main-sequence star.
C
red dwarf
D
red giant
7) What objects are formed from the materials in the core of a supernova?
A
neutron stars and white dwarfs
B
black holes and super giants
C
red giants and white dwarfs
D
black holes and neutron stars
8) Which of the following shows the sequence of a star’s life cycle from its earliest stage to its latest stage?
A
main sequence, white dwarf, red giant
B
red giant, white dwarf, main sequence
C
main sequence, red giant, white dwarf
D
white dwarf, main sequence, red giant
9) The H-R diagram shows the relationship of a star’s surface temperature and its
A
apparent magnitude
B
absolute magnitude
C
size
D
color
10) a small, hot, dim star that is the leftover center of an old star
A
black hole
B
supernova
C
neutron star
D
white dwarf
11) What keeps a star from breaking apart?
A
mass
B
energy
C
gravity
D
density
12) Which of the following is NOT a type of star?
A
spectrum stars
B
main-sequence stars
C
supergiants
D
white dwarf stars
13) Which of the following stars is the oldest?
A
white dwarf
B
main sequence
C
red giant
D
supergiant
14) Which one of the following statements is NOT true of supernovas?
A
They can be brighter than an entire galaxy for several days.
B
They are explosions that occur at the beginning of a blue star’s life.
C
They are explosions in which a star throws its outer layers into space.
D
They are explosions in which a massive star collapses.
*select an answer for all questions
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