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Boot Camp Day 5: Characteristics of the Universe

Quiz by MondlochScience

Grade 8
Science (2010)
Texas Essential Knowledge and Skills (TEKS)

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7 questions
Show answers
  • Q1
    Which statement about stars is correct?
    main-sequence stars are formed by comets
    Star formation begins in a nebula
    white dwards become main-sequence stars when they gain mass
    supergiants are stars that can absorb black holes
    60s
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  • Q2
    A star that is several thousand times brighter than the sun with a temperature lower than 4,000 K would be classified as -
    Question Image
    a white dwarf in spectral class B
    a supergiant in spectral class K
    a main sequence star in spectral class K or M
    a main-sequence star in spectral class B
    120s
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  • Q3
    The universe has many different components. Which list places four components of the universe in the most likely order from smallest to largest?
    Nebulae, stars, planets, galaxies
    Planets, stars, nebulae, galaxies
    Galaxies, stars, planets, nebulae
    Planets, stars, galaxies, nebulae
    60s
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  • Q4
    A student learns that the sun is classified as a medium-size star and that many stars are much bigger and brighter. However, the student observes that other stars look very dim, even through a telescope. Why do other stars look much dimmer than the sun?
    Other stars are made up of different gases than the sun is.
    The sun appears yellow, which is more visible than other colors.
    The sun is much closer to Earth than other stars are.
    As light from other stars travel through space, it gets reflected.
    120s
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  • Q5
    Question Image
    120s
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  • Q6
    What determines the life cycle of a star?
    size
    mass
    color
    temperature
    60s
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  • Q7
    List the life cycle of an average star
    stellar nebula, protostar, average star, red giant, planetary nebula, white dwarf
    stellar nebula, average star, protostar, red giant, white dwarf, black hole
    red giant, stellar nebula, planetary nebulla, average star, protostar
    black hole, average star, stellar nebula, white dwarf, planetary nebula
    60s
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