Sun & Stars
2 years ago
tfabian
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15 QuestionsShow answers
  • Question 1
    30 seconds
    Q. This is the inner-most layer of the sun, where nuclear fusion happens. 
    answer choices
    core
    corona
    photosphere
    chromosphere
  • Question 2
    30 seconds
    Q. This is a stream of charged particles that streams out into space through the corona.
    answer choices
    solar flare
    sun spots
    solar prominence
    solar wind
  • Question 3
    30 seconds
    Q. This layer contains currents of rising and sinking gas that carry energy to the surface.
    answer choices
    radiative zone
    corona
    chromosphere
    convective zone
  • Question 4
    30 seconds
    Q. Innermost layer of the sun's atmosphere, produces the sun's light.
    answer choices
    chromosphere
    corona
    photosphere
    radiative zone
  • Question 5
    45 seconds
    Q. What color are the hottest stars?
    answer choices
    red
    yellow
    orange
    blue
  • Question 6
    45 seconds
    Q. At 10,000 degrees Celsius, hydrogen begins to change into helium and energy is released in a process called
    answer choices
    supernova
    pulsar
    nuclear fusion
    nuclear fission
  • Question 7
    30 seconds
    Q. What color of star is the hottest?
    answer choices
    Blue
    Red
    Yellow
    Orange
  • Question 8
    30 seconds
    Q. What is the name of the gas/dust clouds that form stars?
    answer choices
    Nebulas
    Protostars 
    Supernova
    Neutron Star
  • Question 9
    120 seconds
    Q. All stars begin their life in a
    answer choices
    Main Sequence
    Nebula
    Protostar
    Black Dwarf
  • Question 10
    30 seconds
    Q. What layer can be seen here?
    answer choices
    chromosphere
    corona
    photosphere
    core
  • Question 11
    10 seconds
    Q. What is the sun mostly made up of
    answer choices
    Helium
    Core
    Carbon
    Hydrogen
  • Question 12
    30 seconds
    Q. What protects life on Earth from gamma rays, X rays, and particles emitted by the Sun?
    answer choices
    The ozone layer in the stratosphere
    The ionosphere
    The magnetosphere (Earth's magnetic field)
    Clouds
  • Question 13
    30 seconds
    Q.

    How old is the sun?

    answer choices

    1 million years old

    4.5 million years old

    4.5 billion years old

    we do not know

  • Question 14
    30 seconds
    Q.

    Nuclear fusion produces the sun's energy. It fuses hydrogen into ___ atoms.

    answer choices

    carbon

    nitrogen

    lithium

    helium

  • Question 15
    30 seconds
    Q. Most of the sun’s energy is a result of
    answer choices
    nuclear fusion  
    nuclear fission
    atomic reactions
    coronal mass ejection
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