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Planet Earth

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    Our planet
  •   Study   Slideshow
  • How many layers of atmosphere does the Earth have?
    Five
  •  10
  • Name three layers of the atmosphere
    Troposhere, Stratosphere, Mesosphere, Thermosphere, Exosphere
  •  15
  • What does the Earth's atmosphere do?
    Protects the Earth from harmful sunrays
  •  10
  • True or false: Scientists think the Earth's atmosphere used to have a lot more carbon dioxide in it
    True
  •  5
  • True or false: the atmosphere was formed from gases from volcanoes
    True
  •  5
  • The atmosphere is made up from three gases, what are they?
    Carbon dioxide, oxygen, nitrogen
  •  15
  • Which layer of the atmosphere do we live in?
    Troposphere
  •  10
  • Name three places that water exists on Earth
    Rivers, lakes, oceans, glaciers, clouds, snow, rain
  •  15
  • What is evaporation?
    When water changes from a liquid to a gas
  •  5
  • What is condensation?
    When water changes from a gas to a liquid
  •  5
  • What is precipitation?
    Rain
  •  5
  • Name the three processes of the water cycle
    Evaporation, condensation, precipitation
  •  10
  • True or false: the water we drink today is the same water the dinosaurs drank millions of years ago
    True
  •  5
  • True or false: The majority of water on Earth is in glaciers and on snowy mountains
    False
  •  5
  • Is ocean water 'pure water'?
    No, it is salty water with other substances in it
  •  5
  • What is a fatberg?
    Lots of water pollution (fats, shampoos, toilet waste) stuck together in the sewers
  •  15