Science

9th -

12thgrade

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Stellar Evolution

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20 questions

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  • 1. Multiple Choice
    45 seconds
    1 pt
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    High-mass stars burn hotter & brighter because they have more _______ at their cores.

    fusion

    fuel

    energy

    pressure

  • 2. Multiple Choice
    1 minute
    1 pt
    Image

    Why do high-mass stars skip the helium flash stage that low-mass stars go through before dying?

    Not enough hydrogen at the core.

    Once hydrogen is used up at the core the star explodes.

    Once helium is used up at the core the star explodes.

    High-mass stars never die.

  • 3. Multiple Choice
    45 seconds
    1 pt
    Image

    When temperatures are high enough in the core of a high-mass star, this element starts to form.

    helium

    carbon

    oxygen

    hydrogen

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