Big Bang Lesson

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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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 statement is true?

• The galaxies are moving toward us.

• The galaxies are moving away from us.

• The universe remains static or unchanged in motion.

• None of the above

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The Big Bang occurred ​ (a)  

• 13.8 billion years ago

• 5 million years ago

• 1 billion years ago

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A theory that says the universe began as a small point that expanded rapidly about 13.7 billion years ago.

• Big Bang Theory

• Singularity Theory

• Galaxy Theory

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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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From the image, which BEST represents what is happening in the Big Bang?

• Option A

• Option B

• Option C

• Option D

• None of these

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When galaxies are moving away from each other that means they have a ​ (a)   . When galaxies are moving towards each other, that means they have a ​ (b)   .

• redshift

• blueshift

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How does Cosmic Microwave Background Radiation support the Big Band Theory?

• Microwaves are found everywhere in the universe.

• Microwaves occurred at the time of the Big Bang

• Microwaves are useful in our everyday lives

• Only A & B

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