Cosmology Review

Which doomsday scenario for our Universe predicts a cold dark death, as a consequence of the second law of thermodynamics?

• The big chill/The heat death

• The big crunch.

• The big bounce.

• The big bang.

Tags

NGSS.HS-PS3-4

___________ suggests the our Universe may exist as one of many consecutive birth/death cycles.

• The big bounce.

• The big bang.

• The big chill.

• The big crunch.

Which doomsday hypothesis could be described as a reverse big bang, resulting in a hot dense end to our Universe?

• The big crunch.

• The big bang.

• The big chill.

• The big bounce.

Which of the following ideas make up the Big Bang Theory?

• The Universe is currently expanding.

• The Universe was once hot and dense.

• The Universe has a finite size.

• The Universe is unbounded.

Tags

NGSS.HS-ESS1-2

For a homogeneous and isotropic Universe: Positive curvature suggests...

• Finite size.

• Infinite size.

For a homogeneous and isotropic Universe: Negative curvature suggests...

• Finite size.

• Infinite size.

For a homogeneous and isotropic Universe: Zero curvature (flat) suggests...

• Finite size.

• Infinite size.

The Hubble constant (H_o) is...

• 70 km/s/Mpc

• 1240 eVnm

• 6.67x10^-11 m³/kgs²

• 9.8 m/s²

Tags

NGSS.HS-ESS1-2

Penzias and Wilson are known for their accidental discovery of the cosmic microwave background and their infamous act of murdering...

• pigeons.

• dolphins.

• snakes.

• prairie dogs.

Tags

NGSS.HS-ESS1-2

The Hubble constant (H_o) is...

• the rate of expansion of the Universe.

• the strength of the gravitational force.

• the amount of dark matter in the galaxy.

• the strength of the electric force.