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Which of these items provide evidence supporting the Big Bang Theory.

Select the TWO correct items.
(1 point)
• rate of star formation
• cosmic background radiation
• sizes and shapes of distant galaxies
• composition of matter in the universe
How does weak background radiation coming from every direction in the sky support the Big Bang Theory? (1 point)
• It provides evidence of universe expansion.
• It provides evidence of universe contraction.
• It provides evidence of the universe's increasing mass.
• It provides evidence of the universe's decreasing mass. Which of the following are characteristics of dark matter? Select the THREE correct responses (1 point)
• does not interact with electromagnetic radiation
• has not been directly observed
does not interact with baryonic matter
• has been directly observed
Which of the following are characteristics of baryonic matter? Select the THREE correct responses. (1 point)
• has been observed directly
• interacts with baryonic matter
口
interacts with electromagnetic radiation
• does not interact with electromagnetic radiation
Which statements describe ways that nuclear fission is different than nuclear fusion? select TWO correct awnsers I Nuclear fission releases a huge amount of energy.
• Nuclear fission takes place in the nucleus of an atom.
@ Nuclear fission involves one large atom splitting into two smaller atoms.
• Nuclear fission is used to produce electricity at nuclear power plants.
When a vibrating object is moving away from an observer, the measured frequency of the vibrations will be lower than if the object and observer are both stationary.
(1 point)
• True
• False
If the vibrating object is moving away from an observer. the measured frequency of the vibrations will be higher than the actual rate of the vibration of the object. (1 point)

1 answer

  1. Which of these items provide evidence supporting the Big Bang Theory? (Select the TWO correct items.)

    • Cosmic background radiation
    • Rate of star formation

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

    • It provides evidence of universe expansion.

  3. Which of the following are characteristics of dark matter? (Select the THREE correct responses.)

    • Does not interact with electromagnetic radiation
    • Has not been directly observed
    • Does not interact with baryonic matter

  4. Which of the following are characteristics of baryonic matter? (Select the THREE correct responses.)

    • Has been observed directly
    • Interacts with baryonic matter
    • Interacts with electromagnetic radiation

  5. Which statements describe ways that nuclear fission is different than nuclear fusion? (Select TWO correct answers.)

    • Nuclear fission involves one large atom splitting into two smaller atoms.
    • Nuclear fission is used to produce electricity at nuclear power plants.

  6. When a vibrating object is moving away from an observer, the measured frequency of the vibrations will be lower than if the object and observer are both stationary.

    • True

  7. If the vibrating object is moving away from an observer, the measured frequency of the vibrations will be higher than the actual rate of the vibration of the object.

    • False