Big Bang Review

What did Hubble discover in the late 1920s?

• The spectra of galaxies shifted towards the red end of the spectrum.

• The spectra of galaxies shifted towards the blue end of the spectrum.

• The spectra of galaxies remained unchanged.

• The spectra of galaxies shifted towards the green end of the spectrum.

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NGSS.HS-ESS1-2

Why are hydrogen lines significant in astronomy?

• Hydrogen is the most abundant element in the universe.

• Hydrogen is the rarest element in the universe.

• Hydrogen lines are not visible in the universe.

• Hydrogen is only found on Earth.

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What two elements were produced by the Big Bang?

• Hydrogen and Helium

• Oxygen and Carbon

• Nitrogen and Argon

• Iron and Nickel

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NGSS.HS-ESS1-2

What did Hubble find out about the most distant galaxies?

• They showed the greatest red shift and thus were moving away from Earth the fastest.

• They were moving towards Earth at a rapid pace.

• They were stationary in relation to Earth.

• They showed no red shift at all.

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NGSS.HS-ESS1-2

What does the Big Bang theory describe?

• The gradual cooling of the universe over billions of years.

• The compression and explosion of all matter and energy in the universe about 14 billion years ago.

• The formation of stars and galaxies from cosmic dust.

• The steady state of the universe without any beginning or end.

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NGSS.HS-ESS1-2

What is cosmic background radiation?

• High levels of energy concentrated in specific areas of the universe.

• Low levels of energy evenly distributed throughout the universe.

• Visible light emitted by stars.

• Sound waves traveling through space.

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NGSS.HS-PS4-3

When do astronomers believe the cosmic background radiation was formed?

• Shortly after the Big Bang.

• During the formation of the solar system.

• At the beginning of the 20th century.

• After the formation of Earth.

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NGSS.HS-ESS1-2

What is the estimated age of the universe according to the Big Bang Theory?

• 4.6 billion years

• 13.7 billion years

• 300,000 years

• 400,000 years

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NGSS.HS-ESS1-2

What were the first two elements formed after the Big Bang?

• Oxygen and Carbon

• Hydrogen and Helium

• Nitrogen and Oxygen

• Carbon and Helium

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NGSS.HS-ESS1-2

How long after the Big Bang did the first atoms form?

• 300,000 years

• 400,000 years

• 1 billion years

• 4.6 billion years

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NGSS.HS-ESS1-2