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  •  English    16     Public
    Social Science Unit 2
  •   Study   Slideshow
  • The layer of air around the Earth is called...
    atmosphere
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  • This layer is important because it protects us from the ____
    sun
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  • The atmosphere regulates the planet's ______.
    temperature
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  • What state of water do you see?
    Liquid
  •  15
  • What state of water do you see?
    Solid
  •  15
  • What state of liquid do you see?
    Gas
  •  15
  • What are the two most important gases in the atmosphere?
    Ntirogen and Oxygen
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  • When water heats up it changes from a liquid to a gas. This is called _____.
    evaporation
  •  15
  • When ice turns to water we call this process:
    Melting
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  • When gas cools it forms water droplets. We call this process _____
    Condensation
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  • Which saves water; having a bath or having a shower?
    Having a shower.
  •  15
  • True or False? We cannot drink or cook with the water in rivers.
    True
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  • True or False? Only seawater evaporates.
    False, lakes, ponds, rivers and other water evaporates too.
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  • Plants return water in a _______ state.
    gaseous
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  • Water _______ to form clouds.
    cools
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  • Groundwater returns to the surface through _____
    springs
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