Big Bang Theory Review

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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NGSS.HS-ESS1-2

As galaxies move away from our galaxy a shift on the electromagnetic spectrum

(EMS) is noticed. This phenomena is called _____________.

• redshift

• blueshift

• unshift

• blackshift

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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How does the abundance of hydrogen and helium support the Big Bang Theory.

• Hydrogen and helium are elements on the Periodic Table

• Hydrogen and helium are in the same ratio throughout the universe.

• Hydrogen and helium have many current uses today

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NGSS.HS-ESS1-2

Our theory of the universe was confirmed by the discovery of:

• fusion.
• cosmic microwave background radiation.
• the Andromeda galaxy.
• the Doppler effect.

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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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NGSS.HS-ESS1-2

How long does it take light from our Sun to reach Earth?

• 3 seconds
• 8 minutes
• 57 hours
• 1 year

What is the estimated age of the universe?

• 5 billion

• 14 billion

• 140 billion

• 25 billion

Who observed galaxies moving away from us?

• Hubble

• Lemaitre

• Penzias

• Wilson

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NGSS.HS-ESS1-2

Which description is considered most accurate regarding what actually happened during the Big Bang?

• Two galaxies collided causing an immense explosion as stars crashed into one another

• All of what would become the universe was concentrated in a single small point, or singularity, which rapidly expanded into what is now stars, planets, galaxies, matter, and energy.

• All matter emerged from a massive black hole at the center of the universe.

• Parts of the sun were ripped off by massive internal explosions and were thrown into space where they cooled to become other things, like plants, comets, and other galaxies.

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