Big Bang Quizs

Which of the following best describes the early universe immediately after the Big Bang?

• Cool and empty

• Hot and dense

• Similar to its current state

• Dominated by heavy elements

Big Bang nucleosynthesis primarily occurred:

• Billions of years after the Big Bang.

• Within the first few minutes after the Big Bang.

• Inside stars.

• During the formation of galaxies.

Fill in the blank: Dark matter is thought to exist because it explains the observed ______ of galaxies.

• rotation speeds

• brightness

• color

• temperature

The scientist who discovered that the Universe was expanding was

• Bill Nye

• Albert Einstein

• Edwin Hubble

• Alfred Wegener

In red shift, the wavelengths of light become

• Longer

• Shorter

• Bluer

• Slower

What does the Big Bang Theory say?

• All of the matter in the Universe exploded from a tiny, dense point

• Two galaxies collided causing a big bang

• The universe was created in its current location

• The universe is collapsing and getting smaller.

What is the origin of light elements like hydrogen and helium?

• They were created inside stars.

• They were created during the Big Bang nucleosynthesis.

• They are constantly being created in interstellar space.

• They are remnants of a previous universe.

What is the relationship between the distance to a galaxy and its redshift?

• The closer the galaxy, the greater the redshift.

• The farther the galaxy, the greater the redshift.

• There is no relationship between distance and redshift.

• All galaxies have the same redshift.

If the universe were contracting instead of expanding, what would we observe about the light from distant galaxies?

• Blueshift

• Redshift

• No shift at all

• A shift that changes randomly

This model best represents

• Plate Tectonics

• Theory of Relativity

• The Big Bang Theory

• Convection Currents in the Mantle