Big

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

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What does the Big Bang theory suggest?

• The universe was just there

• The Milky Way is the only solar system

• The universe is continually expanding

• The universe is collapsing in toward a single point

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How is the "Big Bang" described?

• an explosion

• an expansion

• a contraction

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Why is the abundance of H/He throughout galaxies an important piece of evidence supporting the Big Bang?

• H/He were two of the first elements to form following the Big Bang.

• H/He are highly reactive generating hot spots.

• H/He are high mass elements formed from supernovae.

• All the above

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NGSS.HS-ESS1-2

Which statement is true about the Big Bang Theory? Choose all that apply.

• It should appear longer because of a redshift.

• the universe formed by the rapid expansion of space from a point 10–20 billion years ago

• The universe is expanding because light from faraway stars and galaxies is shifting towards the blue colors.

  
  

• When stars and galaxies move farther away from each other, we say that the universe is expanding and that this is due to a shift in the frequency of light coming from these light sources.

  
  

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What does the Big Bang Theory tell us

• About the popular television show.

• the entire universe was once condensed in the form of primeval atom, or a dense mass.

• how the universe began.

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Which of the following is evidence of the Big Bang Theory?

• Cavemen heard a loud bang at the beginning of time.

• The universe isn't moving

• The universe is expanding

• The universe is getting smaller

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NGSS.HS-ESS1-2

The universe is ____________ years old.

• 4.6 billion

• 13.8 billion

• 1.83 billion

• 13.8 million

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What is the Big Bang Theory primarily concerned with?

• The formation of stars

• The beginning of the universe

• The creation of black holes

• The end of the universe

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NGSS.HS-ESS1-2

Which of the following best describes the Big Bang?

• A massive explosion

• A gradual cooling

• A rapid expansion

• A slow contraction

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NGSS.HS-ESS1-2