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IC - class 31 - Why is the sky blue?

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    Game to review the topics about Aurora Borealis
  •   Study   Slideshow
  • What is another name for Aurora Borealis?
    Southern Lights
    Northern Lights
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  • What causes Aurora Borealis?
    Charged particles from the moon with Earth.
    Charged particles from the sun with Earth.
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  • What causes the red colors in Aurora Borealis?
    By oxygen gas higher
    By low-lying oxygen gas
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  • What causes green color in Aurora Borealis?
    Higher oxygen gas
    Low-lying oxygen gas
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  • What causes blueish-purple color in Aurora Borealis?
    Higher oxygen gas
    Nitrogen gas
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  • Where is Canada?
    In North America
    In Europe
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  • Where is Alaska?
    In Asia.
    In North America.
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  • Where is Iceland?
    In Asia.
    In Europe.
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  • Where is Norway?
    In Europe.
    In North America.
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  • Where is Finland?
    In Europe.
    In Asia.
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  • Where is Russia?
    In North America.
    In Europe and in Asia.
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  • Where is Sweden?
    In Europe.
    In South America.
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  • What is the official language and nationality of Canada?
    The language is English and the nationality is Canadian.
    The language and the nationality is Canadian.
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  • Is Alaska a state or a country?
    Alaska is a state, it is part of the USA.
    Alaska is a country.
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  • What is the official language and nationality of Iceland?
    The language and the nationality is English.
    The language and the nationality is Icelandic.
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  • What is the official language and nationality of Sweden?
    The language and the nationality is Icelandic.
    The language and the nationality is Swedish.
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