Which represents a correct match between ideas related to the formation of the universe? Select the two correct answers.(1 point)
Responses
glowing nebulae — dark energy
glowing nebulae — dark energy
greatest percent of mass of universe — dark matter
greatest percent of mass of universe — dark matter
structures forming in the early universe — dark matter
structures forming in the early universe — dark matter
accelerating expansion — dark energy
greatest percent of mass of universe — dark matter
accelerating expansion — dark energy
Drag each item to indicate whether it is a characteristic of dark matter or baryonic matter.(2 points)
Dark Matter:
Baryonic Matter:
Answers: interacts with baryonic matter, has not been observed directly, has been observed directly, interacts with electromagnetic radiation, does not interact with electromagnetic radiation, does not interact with baryonic matter
Dark Matter:
- interacts with baryonic matter
- has not been observed directly
- does not interact with electromagnetic radiation
Baryonic Matter:
- has been observed directly
- interacts with electromagnetic radiation
- does not interact with baryonic matter
Which evidence supports the idea that Cosmic Microwave Background radiation is a remnant of the Big Bang?(1 point)
Responses
Its temperature is uniform.
Its temperature is uniform.
Its mass is uniform.
Its mass is uniform.
Its temperature fluctuates greatly.
Its temperature fluctuates greatly.
Its mass fluctuates greatly.
Its temperature is uniform.
As evidence supporting the Big Bang theory, what does the redshift of light from galaxies indicate?(1 point)
Responses
The universe is mainly hydrogen.
The universe is mainly hydrogen.
The universe is expanding.
The universe is expanding.
The universe is 13.8 billion years old.
The universe is 13.8 billion years old.
The universe is cooling off.
The universe is expanding.
Which of these items provide evidence supporting the Big Bang theory? SELECT THE TWO CORRECT ITEMS.(1 point)
Responses
composition of matter in the universe
composition of matter in the universe
cosmic background radiation
cosmic background radiation
sizes and shapes of distant galaxies
sizes and shapes of distant galaxies
rate of star formation
cosmic background radiation
sizes and shapes of distant galaxies
How is dark energy related to the theory of the Big Bang?(1 point)
Responses
It causes the spinning of galaxies.
It causes the spinning of galaxies.
It seeded the formation of galaxies and star clusters.
It seeded the formation of galaxies and star clusters.
It causes the universe to expand.
It causes the universe to expand.
It causes the expansion of the universe to accelerate.