Science

6th

grade

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AIR AROUND US

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21 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
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    Earth is surrounded by an envelope of gases called the _____________.
    hydrosphere
    solar system
    atmosphere
    cloud bubble
  • 2. Multiple Choice
    30 seconds
    1 pt
    Image
    Which of these do plants need in order to make food?
    argon
    carbon dioxide
    nitrogen
    oxygen
  • 3. Multiple Choice
    30 seconds
    1 pt
    Image
    Which of these makes up about 21 percent of the atmosphere?
    argon
    carbon dioxide
    nitrogen
    oxygen
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