Big Bang Theory Quiz Review

What happened during the Planck Time (immediately after the Big Bang)?

• All the fundamental forces were unified

• Most antimatter was annihilated

• We have no idea

• Neutrinos stopped interacting with other particles

Tags

NGSS.HS-ESS1-2

How long after the Big Bang does the Cosmic Microwave Background show?

• 400,000 years

• 10,000 years

• 2 minutes

• 30 minutes

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NGSS.HS-ESS1-2

How long after the Big Bang will the Cosmic Neutrino Background show?

• 1 second

• 30 seconds

• 2 minutes

• 1 minute

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NGSS.HS-ESS1-2

How do we observe continued expansion of the universe?

• Redshift/Doppler effect

• Radar speed detection

• Increased distance between us and nearby galaxies

• Continued remeasuring of Hubble's Constant

Tags

NGSS.HS-ESS1-2

True or false: most galaxies in the universe are moving towards us.

• True

• False

Pick the piece of evidence that's not quite "official" yet.

• Continued expansion of the universe

• Relative abundance of hydrogen and helium

• Cosmic Microwave Background

• Cosmic Neutrino Background

Tags

NGSS.HS-ESS1-2

Why is the Cosmic Neutrino Background not "official evidence"?

• We're not sure it provides clear evidence

• It's not a complete picture yet

• We don't know enough about neutrinos

• We can never detect it

Why are neutrinos hard to detect?

• They're too small

• They're too lightweight

• They don't interact with much

• They're rare

What is the most abundant element in the universe?

• Hydrogen

• Helium

• Carbon

• Nitrogen

What percentage of the known mass in the Universe is hydrogen?

• 50%

• 75%

• 85%

• 95%