Solar System Formation
3 years ago
mrjennings33
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20 QuestionsShow answers
  • Question 1
    30 seconds
    Q. The Nebular Theory is:
    answer choices
    A theory on how the Milky Way galaxy was formed
    A theory on how the universe was formed
    A theory on how the solar system will be destroyed
    A theory on how the solar system was formed
  • Question 2
    30 seconds
    Q. A nebula is:
    answer choices
    A cloud of ice
    A cloud of dust and gas
    A cloud of just gas
    A cloud of just dust
  • Question 3
    30 seconds
    Q. The most abundant gases in a nebula are:
    answer choices
    Hydrogen & Oxygen
    Nitrogen & Oxygen
    Hydrogen & Helium
    Oxygen & Helium
  • Question 4
    30 seconds
    Q. A nebula starts to move because:
    answer choices
    A nearby supernova
    A nearby star
    A passing spaceship
    A passing comet
  • Question 5
    30 seconds
    Q. A nebula starts to collapse because of:
    answer choices
    A nearby star shining it's light
    A passing spaceship
    A passing comet
    Gravity
  • Question 6
    30 seconds
    Q. As a nebula collapses it also begins:
    answer choices
    Expand
    Rotate
    Shake
    Turn to ice
  • Question 7
    30 seconds
    Q. A nebula collapses down into a disk known called:
    answer choices
    A compact disk
    An irregular cloud
    An accretion disk
    An circular disk
  • Question 8
    30 seconds
    Q. What forms in the very center of the accretion disk?
    answer choices
    A protosun
    A planet
    A protoplanet
    A planetesimal
  • Question 9
    30 seconds
    Q. What is forming in the accretion disk away from the center?
    answer choices
    Light
    Protostars
    Planetesimals
    Hydrogen
  • Question 10
    30 seconds
    Q. The planetesimals keep:
    answer choices
    Colliding and breaking apart
    Colliding and sticking together
    Colliding and bouncing around
    Breaking down into smaller pieces
  • Question 11
    30 seconds
    Q. The group of inner planets are known as:
    answer choices
    The Terrestrial Planets
    The Gas Giants
    The Outer Planets
    The Hallow Planets
  • Question 12
    30 seconds
    Q. What caused the lighter elements to leave the terrestrial planets?
    answer choices
    Gravity from the Gas Giants
    Nothing, the lighter elements stayed
    Gravity from the Sun
    Heat from the Sun
  • Question 13
    30 seconds
    Q. The group of outer planets are known as:
    answer choices
    The Terrestrial Planets
    The Gas Giants
    The Inner Planets
    The Rocky Planets
  • Question 14
    30 seconds
    Q.

    Why did the lighter elements stay in the Gas Giants?

    answer choices

    Just because the solar wind does not affect these planets

    Because they less dense

    Because the solar wind does not affect these planets AND their own gravity is strong enough

    Just because their own gravity is strong enough

  • Question 15
    30 seconds
    Q.

    How long ago did these nebular processes start?

    answer choices

    4.6 years ago

    4.6 million years ago

    5.6 billion years ago

    4.6 billion years ago

  • Question 16
    30 seconds
    Q. Intense pressure in the protosun (protostar) caused:
    answer choices
    Fire in the Sun to start
    Helium to break down into Hydrogen
    Nuclear Fusion to start
    Nuclear Fusion to end
  • Question 17
    30 seconds
    Q. What percentage of the nebula will the Sun accumulate?
    answer choices
    99%
    1%
    50%
    75%
  • Question 18
    30 seconds
    Q. The shape of the planets and dwarf planets after accumulating all their material is:
    answer choices
    Irregular
    A Sphere
    An Oval
    A disk
  • Question 19
    30 seconds
    Q. What materials could not survive the heat where the rocky planets were formed?
    answer choices
    Gamma Rays
    Plasma
    Ice and Gas
    Rocks
  • Question 20
    30 seconds
    Q. What two objects do scientists study to learn about the formation of the solar system?
    answer choices
    Comets & Asteroids
    Comets & Exoplanets
    Exoplanets & Asteroids
    Asteroids & Distant Stars
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