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The hydrosphere

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  • Provides the heat for the water cycle to occur
    The sun
  • What do living beings do to regulate body temperature?
    Sweat
  • What two types of water is the Earth made up of?
    Salt water and fresh water
  • Salinity refers to what?
    the level of salt found in water
  • What is the water that we use in our homes called?
    domestic water
  • What percentage of the hydrosphere does the ocean have?
    97%
  • what is the chemical formula for water?
    H2O
  • This makes up all the water on the planet.
    hydrosphere
  • In which states can we find water in our planet?
    solid, liquid and gaseous
  • Where are glaciers found?
    Most of them can be found in polar regions and some in mountain regions
  • A large natural stream of water flowing to the oceans and lakes.
    river
  • Define groundwater
    water located beneath the ground.
  • What is runoff in the water cycle?
    Runoff is precipitation that cannot be absorbed by soil, and thus instead of going into the ground the water flows over the surface
  • What happens during precipitation?
    Water returns to the Earth's surface as rain, snow or hail
  • What is inflitration?
    It is the surface water that penetrates into the ground
  • Clouds form during what step of the water cycle?
    Condensation
  • The change of liquid water to water vapour is called
    evaporation
  • What percent of Earth's water is suitable for drinking?
    1%
  • Only _____ percent of all water on Earth is fresh water.
    3%
  • A large, thick mass of ice that stays frozen from one year to the next and has the ability to move.
    Glacier
  • Where is most of earth's fresh water found?
    ice and glaciers, and groundwater
  • Define aquifer
    Large stores of fresh water in soil below the Earth’s surface