Science

9th

grade

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SPACE WEATHER

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25 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    The sun produces energy in its core by combining H atoms into He atoms in a process known as ___.

    Nuclear fission

    gravitational compression

    kinetic compression

    Nuclear fusion

  • 2. Multiple Choice
    30 seconds
    1 pt

    The center of the sun, the ___, produces the energy that eventually reaches us and warms the Earth.

    core

    radiative zone

    corona

    convective zone

  • 3. Multiple Choice
    30 seconds
    1 pt

    Photons of light travel from where they are produced in the core to the convective zone, where they follow a zig-zag path that takes them close to a million years to reach the next layer - the photosphere. This process is called the _____.

    CME

    crooked path

    random walk

    100 yard dash

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