How does weak background radiation coming from every direction in the sky support the Big Bang Theory?(2 points)

Question

Responses

it provides evidence of universe contraction
it provides evidence of universe contraction

it provides evidence of the universe's increasing mass
it provides evidence of the universe's increasing mass

it provides evidence of the universe's decreasing mass
it provides evidence of the universe's decreasing mass

it provides evidence of universe expansion
it provides evidence of universe expansion
Question 2
How does the change in the temperature of the universe provide evidence for universe expansion that supports the Big Bang Theory?(2 points)
Responses

The universe is warming which, according to the Big Bang Theory, is expected to happen as the universe shrinks
The universe is warming which, according to the Big Bang Theory, is expected to happen as the universe shrinks

The universe is warming which, according to the Big Bang Theory, is expected to happen as the universe expands.
The universe is warming which, according to the Big Bang Theory, is expected to happen as the universe expands.

The universe is cooling which, according to the Big Bang Theory, is expected to happen as the universe shrinks.
The universe is cooling which, according to the Big Bang Theory, is expected to happen as the universe shrinks.

The universe is cooling which, according to the Big Bang Theory, is expected to happen as the universe expands.
The universe is cooling which, according to the Big Bang Theory, is expected to happen as the universe expands.
Question 3
How is dark energy related to the theory of the Big Bang?(2 points)
Responses

It causes the spinning of galaxies.
It causes the spinning of galaxies.

It causes the universe to expand.
It causes the universe to expand.

It causes the expansion of the universe to accelerate.
It causes the expansion of the universe to accelerate.

It seeded the formation of galaxies and star clusters.
It seeded the formation of galaxies and star clusters.
Question 4
Which evidence supports the idea that Cosmic Microwave Background radiation is a remnant of the Big Bang?(2 points)
Responses

Its temperature is uniform.
Its temperature is uniform.

Its temperature fluctuates greatly.
Its temperature fluctuates greatly.

Its mass fluctuates greatly.
Its mass fluctuates greatly.

Its mass is uniform.
Its mass is uniform.
Question 5
Blueshift is observed when(1 point)
Responses

a distant luminous object travels rapidly away from an observer
a distant luminous object travels rapidly away from an observer

a luminous object travels alongside an observer
a luminous object travels alongside an observer

a distant luminous object travels rapidly towards an observer
a distant luminous object travels rapidly towards an observer

a luminous object is stationary compared to an observer
a luminous object is stationary compared to an observer
Question 6
As evidence supporting the Big Bang Theory, what does the redshift of light from galaxies indicate?(2 points)
Responses

the universe is 13.8 billion years old
the universe is 13.8 billion years old

the universe is expanding
the universe is expanding

the universe is mainly hydrogen
the universe is mainly hydrogen

the universe is cooling off
the universe is cooling off
Question 7
Which is a characteristic of dark matter?(1 point)
Responses

it has not been observed directly.
it has not been observed directly.

it interacts with electromagnetic radiation.
it interacts with electromagnetic radiation.

humans can see it
humans can see it

it does not interact with baryonic matter
it does not interact with baryonic matter
Question 8
Which statement is INCORRECT about Cosmic Microwave Background radiation?(2 points)
Responses

it consists of electromagnetic radiation that is a remnant of the Big Bang.
it consists of electromagnetic radiation that is a remnant of the Big Bang.

It appears uniformly across the universe.
It appears uniformly across the universe.

its temperature is uniform.
its temperature is uniform.

it appeared only a few years ago
it appeared only a few years ago
Question 9
Which statement is part of the Big Bang Theory?(2 points)
Responses

the universe began as a very high density singularity
the universe began as a very high density singularity

The chemical makeup of the universe has changed dramatically
The chemical makeup of the universe has changed dramatically

Dark matter makes up the majority of matter in the galaxy.
Dark matter makes up the majority of matter in the galaxy.

Small spiral galaxies become larger elliptical galaxies
Small spiral galaxies become larger elliptical galaxies
Question 10
Which statement is correct about nuclear FISSION?(1 point)
Responses

Nuclear fission only occurs in stars.
Nuclear fission only occurs in stars.

nuclear fission occurs in the nuclei of atoms
nuclear fission occurs in the nuclei of atoms

Nuclear fission occurs when two atoms slam together to form one, heavier atom
Nuclear fission occurs when two atoms slam together to form one, heavier atom

nuclear fission is commonly fueled by iron
nuclear fission is commonly fueled by iron
Question 11
Which statement is TRUE about nuclear FUSION?(1 point)
Responses

Nuclear fusion only releases a small amount of energy.
Nuclear fusion only releases a small amount of energy.

Nuclear fusion is used to provide electricity at nuclear power plants
Nuclear fusion is used to provide electricity at nuclear power plants

Nuclear fusion occurs when two atoms slam together to form one, heavier atom
Nuclear fusion occurs when two atoms slam together to form one, heavier atom

Nuclear fusion is when atoms split apart
Nuclear fusion is when atoms split apart
Question 12
Which is evidence for the existence of dark energy?(1 point)
Responses

galaxies that are rotating at a constant rate
galaxies that are rotating at a constant rate

Black holes that are expanding at a constant rate
Black holes that are expanding at a constant rate

Supernovae that are moving away at an accelerating rate
Supernovae that are moving away at an accelerating rate

Pulsars that seem to be moving closer at an accelerating rate
Pulsars that seem to be moving closer at an accelerating rate
Question 13
Which characteristic is shared by both dark matter and baryonic matter?(1 point)
Responses

They both are capable of absorbing light
They both are capable of absorbing light

They both interact with each other
They both interact with each other

They both have been directly observed by scientists
They both have been directly observed by scientists

They both have gravity
They both have gravity
Question 14
Which represents a correct match between ideas related to the formation of the universe?(2 points)
Responses

mass-energy equivalence — dark matter
mass-energy equivalence — dark matter

structure forming in the early universe — dark matter
structure forming in the early universe — dark matter

glowing nebulae — dark energy
glowing nebulae — dark energy

greatest percent of mass of universe — baryonic matter
greatest percent of mass of universe — baryonic matter
Question 15
What the definition of dark energy?(1 point)
Responses

Energy that has a small effect on the universe
Energy that has a small effect on the universe

Energy characterized by black and dark gray colors
Energy characterized by black and dark gray colors

Energy that is only emitted by glowing nebulae.
Energy that is only emitted by glowing nebulae.

Energy that humans cannot observe directly
Energy that humans cannot observe directly

Answer 1

Here are the responses to each question based on the principles of astrophysics and cosmology:

Question 1:
How does weak background radiation coming from every direction in the sky support the Big Bang Theory?
Response: it provides evidence of universe expansion.

Question 2:
How does the change in the temperature of the universe provide evidence for universe expansion that supports the Big Bang Theory?
Response: The universe is cooling which, according to the Big Bang Theory, is expected to happen as the universe expands.

Question 3:
How is dark energy related to the theory of the Big Bang?
Response: It causes the expansion of the universe to accelerate.

Question 4:
Which evidence supports the idea that Cosmic Microwave Background radiation is a remnant of the Big Bang?
Response: Its temperature is uniform.

Question 5:
Blueshift is observed when
Response: a distant luminous object travels rapidly towards an observer.

Question 6:
As evidence supporting the Big Bang Theory, what does the redshift of light from galaxies indicate?
Response: the universe is expanding.

Question 7:
Which is a characteristic of dark matter?
Response: it has not been observed directly.

Question 8:
Which statement is INCORRECT about Cosmic Microwave Background radiation?
Response: it appeared only a few years ago.

Question 9:
Which statement is part of the Big Bang Theory?
Response: the universe began as a very high density singularity.

Question 10:
Which statement is correct about nuclear FISSION?
Response: nuclear fission occurs in the nuclei of atoms.

Question 11:
Which statement is TRUE about nuclear FUSION?
Response: Nuclear fusion occurs when two atoms slam together to form one, heavier atom.

Question 12:
Which is evidence for the existence of dark energy?
Response: Supernovae that are moving away at an accelerating rate.

Question 13:
Which characteristic is shared by both dark matter and baryonic matter?
Response: They both have gravity.

Question 14:
Which represents a correct match between ideas related to the formation of the universe?
Response: structure forming in the early universe — dark matter.

Question 15:
What the definition of dark energy?
Response: Energy that humans cannot observe directly.

These responses are aligned with current scientific understanding in cosmology and astrophysics.