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Physics

9th

grade

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Big Bang Theory

38
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27 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    Most scientists believe the Big Bang Theory explains which of the following questions?

    How our planets and moons formed

    How our universe began

    How the sun turns hydrogen into helium

    How fast light travels through space

  • 2. Multiple Choice
    1 minute
    1 pt
    Our theory of the universe was confirmed by the discovery of:
    fusion.
    cosmic microwave background radiation.
    the Andromeda galaxy.
    the Doppler effect.
  • 3. Multiple Choice
    1 minute
    1 pt
    The universe is expanding!  This means that:
    all of the galaxies are spreading out.
    the universe must have started from a single point.
    the universe is cooling down.
    all of the above.
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