Physics

8th -

10thgrade

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Lifecycle of a Star

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  • 1. Multiple Choice
    30 seconds
    1 pt
    A ring-shaped nebula formed by an expanding shell of gas around an aging star. The leftover core eventually becomes a white dwarf.
    Supernova 
    Nebula 
    Planetary Nebula 
    Gravity 
  • 2. Multiple Choice
    30 seconds
    1 pt
    A giant cloud of gas and dust, it is made mostly of Hydrogen and Helium.
    Supernova 
    Nebula 
    Planetary Nebula 
    Gravity 
  • 3. Multiple Choice
    30 seconds
    1 pt
    A process in stars where two Hydrogen atoms combine to form Helium and release energy.
    Nebula 
    Nuclear Fusion 
    Supernova 
    Gravity 
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