Who was George Lemaitre?

• An Italian philosopher

• A French mathematician

• An American physicist

• A Belgian priest, astronomer, and physics professor

What did George Lemaitre observe about the spectra of galaxies?

• They were green-shifted

• They were blue-shifted

• They were red-shifted

• They were yellow-shifted

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NGSS.HS-ESS1-2

What is Hubble's Law?

• All galaxies are moving away from us

• All galaxies are moving towards us

• All galaxies are stationary

• All galaxies are rotating

According to Hubble, what happens to galaxies that are further away?

• They move slower

• They move faster

• They remain stationary

• They disappear

What does the Big Bang Theory suggest about the origin of the universe?

• The universe was created by a black hole

• The universe was created from a singularity that exploded

• The universe has always existed

• The universe was created by a supernova

Tags

NGSS.HS-ESS1-2

What did the Big Bang create besides stars and galaxies?

• Only stars

• Only galaxies

• Only black holes

• Time, space, energy, and matter

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NGSS.HS-ESS1-2

How old is the universe according to the Big Bang Theory?

• Between 13 and 15 billion years

• Between 20 and 25 billion years

• Between 5 and 7 billion years

• Between 1 and 2 billion years

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NGSS.HS-ESS1-2

What is the primary evidence supporting the Big Bang Theory?

• Blue-shifted galaxies

• Green-shifted galaxies

• Red-shifted galaxies

• Yellow-shifted galaxies

Tags

NGSS.HS-ESS1-2

What is a common misconception about the Big Bang?

• It was an explosion in space

• It created only galaxies

• It created only black holes

• It created only stars

Tags

NGSS.HS-ESS1-2

What is one alternative theory to the Big Bang mentioned in the video?

• The universe has always existed

• The universe was created by a supernova

• The universe is a result of a bounce from a previous history

• The universe was created by a black hole