Big Bang Theory Quiz

What evidence supports the theory that the universe was once in an extremely hot and dense state before it began expanding?

• The discovery of pulsars

• The observation of cosmic microwave background radiation

• The detection of solar flares

• The measurement of terrestrial magnetic fields

Tags

DOK Level 2: Skill/Concept

Explain how the cosmic microwave background radiation provides evidence for the Big Bang theory.

• It shows that the universe is still cooling from an initial hot state.

• It indicates that the universe is contracting rather than expanding.

• It suggests that the universe has always been at the same temperature.

• It proves that the universe is only composed of visible matter.

Tags

DOK Level 3: Strategic Thinking

How does the concept of dark matter help explain anomalies in the rotational speeds of galaxies?

• By proving that black holes are at the center of every galaxy

• By accounting for additional gravitational effects not explained by visible matter

• By showing that galaxies are actually shrinking in size

• By indicating that light from distant galaxies is redshifted

Tags

DOK Level 2: Skill/Concept

What role does dark energy play in the expansion of the universe?

• It slows down the expansion over time.

• It has no effect on the expansion of the universe.

• It contributes to the acceleration of the universe's expansion.

• It only affects the rotation of individual galaxies.

Tags

DOK Level 2: Skill/Concept

Describe the significance of the inflationary epoch in the early universe.

• It was a period of slow expansion that allowed galaxies to form.

• It was a brief period of extremely rapid expansion that smoothed out the distribution of matter and energy.

• It marked the beginning of the formation of black holes.

• It was when the cosmic microwave background radiation was created.

Tags

DOK Level 3: Strategic Thinking

How does the redshift of galaxies support the theory of the expanding universe?

• It shows galaxies are moving towards us.

• It indicates that light from galaxies is stretched as they move away from us.

• It proves that galaxies are static and unchanging.

• It demonstrates that galaxies are moving sideways relative to us.

Tags

DOK Level 2: Skill/Concept

What would be the implications if cosmic microwave background radiation were not uniform across the sky?

• It would suggest variations in the density of the early universe, potentially challenging the standard model of cosmology.

• It would indicate that the universe is contracting.

• It would prove that the universe is younger than currently believed.

• It would have no implications on current cosmological theories.

Tags

DOK Level 3: Strategic Thinking

How do scientists use the cosmic microwave background radiation to understand the geometry of the universe?

• By measuring the temperature fluctuations in the CMB to infer the curvature of the universe.

• By observing the polarization of CMB photons.

• By counting the number of galaxies in the background.

• By detecting the presence of neutrinos in the CMB.

Tags

DOK Level 2: Skill/Concept

What is the primary evidence for dark energy?

• The uniform distribution of galaxies in the universe

• The observation of supernovae in distant galaxies

• The detection of gravitational waves

• The discovery of the Higgs boson particle

Tags

DOK Level 2: Skill/Concept

Discuss how the concept of cosmic inflation resolves the horizon problem in cosmology.

• By suggesting a mechanism for faster-than-light travel

• By proposing a period of rapid expansion that allows distant regions to have similar temperatures

• By indicating that the universe cycles through phases of expansion and contraction

• By proving that the universe is infinite

Tags

DOK Level 3: Strategic Thinking