History of the Universe

Theoretical physicist Alan Guth proposed an addition to the Big Bang model; a super expansion called ___

• escalation

• enhancement

• inflation

• distension

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NGSS.HS-ESS1-2

The denser fluctuations in the background glow were seeds, where matter condensed into ___

• quarks

• black holes

• the first stars

• normal matter

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NGSS.HS-ESS1-2

How long ago did our own galaxy start as a quantum fluctuation in space?

• 1.38 million years ago

• 13.8 million years ago

• 1.38 billion years ago

• 13.8 billion years ago

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NGSS.HS-ESS1-2

When the Cosmos was very young, particles were whizzing around slamming into each other, creating ___

• energy

• baby universes

• other subatomic particles

• black holes

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NGSS.HS-ESS1-2

When the Universe was still ionized, prior to recombination, it was ___

• transparent

• opaque

• translucent

• reflective

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NGSS.HS-ESS1-2

What formed within minutes of the Big Bang?

• all the stars, galaxies, and planets that exist today

• all of the celestial bodies (stars, planets, etc.) and life that exists today

• it was too hot to form anything for millions of years

• quarks and then atoms

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NGSS.HS-ESS1-2

Which statements best describe the big bang (select all that apply)?

• The universe started as a singularity

• The universe exploded into existence

• The universe was unstable as a singularity and began to expand

• The universe is still expanding today

• The universe started entirely as energy

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NGSS.HS-ESS1-2

How long has the idea of the big bang been accepted by the scientific community?

• approximately 2000 years

• approximately 500 years

• less than 150 years

• approximately 10,000 years

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NGSS.HS-ESS1-2

What is the cosmic microwave background radiation?

• A faint glow of light that fills the universe, left over from the Big Bang

• The light emitted by stars in the early universe

• Radiation from black holes

• The light from the first galaxies

Tags

NGSS.HS-ESS1-2

Which of the following elements were formed during the Big Bang nucleosynthesis?

• Carbon and Oxygen

• Hydrogen and Helium

• Iron and Nickel

• Uranium and Thorium

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NGSS.HS-ESS1-2