Expanding Universe
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20 QuestionsShow answers
  • Question 1
    30 seconds
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    Q.

    The initial explosion that resulted in the formation and expansion of the universe is called __________________.

    answer choices

    the Big Bang

    static state

    cosmic radiation

    dark matter

  • Question 2
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    Q. Who made great advancements to our telescope which helped him be the first to see various things in outer space?
    answer choices
    Galileo Galilei
    Aristotle
    Johannes Kepler
    Tycho Brahe
  • Question 3
    30 seconds
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    Q.

    leftover thermal energy from the big bang

    answer choices

    solar nebula

    cosmic background radiation

    planetesimal

    dark matter

  • Question 4
    30 seconds
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    Q.

    a force that is causing the expansion of the universe to accelerate

    answer choices

    dark energy

    the big bang

    planetesimals

    solar nebula

  • Question 5
    120 seconds
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    Q.

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

    answer choices

    How our planets and moons formed

    How our universe began

    How the sun turns hydrogen into helium

    How fast light travels through space

  • Question 6
    30 seconds
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    Q.

    matter that does not give off electromagnetic radiation

    answer choices

    solar nebula

    big bang

    dark matter

    dark energy

  • Question 7
    60 seconds
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    Q.

    Light Years are a measure of __________.

    answer choices

    time

    speed

    distance

    light

  • Question 8
    30 seconds
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    Q.

    Select a possibility of what will happen to the universe in the future.

    answer choices

    The universe will be destroyed by aliens.

    The universe may expand forever, therefore galaxies will continue to get further away from each other.

    The universe will explode.

    We don't have any hypothesis.

  • Question 9
    20 seconds
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    Q. Hubble's law states which of the following?
    answer choices
    We live in an expanding universe
    The further away a galaxy is, the faster it is receding
    Galaxies far away look redder through a telescope
    All of these
  • Question 10
    30 seconds
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    Q.

    Hubble's Law states that the farther away galaxies are from us, the _______________ it is that they moving away from us.

    answer choices

    more uncertain

    slower

    faster

    more unpredictable

  • Question 11
    10 seconds
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    Q. Gravity warps and stretches spacetime.
    answer choices
    True
    False
  • Question 12
    30 seconds
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    Q.

    In which direction are nearly all galaxies moving?

    answer choices

    toward each other

    away from each other

    colliding into one another

    in the direction of Earth

  • Question 13
    20 seconds
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    Q. Who is credited with discovering proof that we live in an expanding universe?
    answer choices
    Newton
    Hubble
    Einstein
    Gamow and Alphner
  • Question 14
    30 seconds
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    Q.

    Our solar system formed about _________ years ago.

    answer choices

    4.6 Billion

    6.4 billion

    100 billion

    200 billion

  • Question 15
    30 seconds
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    Q.

    Which theory has no beginning?

    answer choices

    Steady State

    Big Bang

    Both

  • Question 16
    30 seconds
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    Q.

    This model is known as

    answer choices

    geocentric model

    heliocentric model

    planetary model

    Orion model

  • Question 17
    30 seconds
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    Q.

    ___________makes up 74% of the detectable universe.

    answer choices

    Hydrogen

    Helium

    Nitrogen

    Carbon

  • Question 18
    20 seconds
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    Q. What is this a picture of?
    answer choices
    The weak nuclear force
    The Earth
    CMB radiation
    The cosmic light horizon
  • Question 19
    30 seconds
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    Q.

    Which theory has CMB radiation as evidence?

    answer choices

    Steady State

    Big Bang

    Both

  • Question 20
    30 seconds
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    Q.

    The temperature of the universe is _____________.

    answer choices

    random

    uniform

    increasing

    decreasing

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