Study

UNIT 3. How much of the Earth is watter?

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  • Meanders (upper, middle or lower course)
    Middle course
  • Mouth of river (upper, middle or lower course)
    Lower course
  • Evaporation: Water changes from a __________ to a ___________, called water vapour.
    liquid / gas
  • Label the letter "d)"
    precipitation
  • Label the letter "b)"
    porous rock
  • River becomes wider (upper, middle or lower course)
    Middle course
  • It is a flowing stream of fresh water.
    River
  • They contain about 95% of all water on Earth
    Oceans and seas
  • ________ are large bodies of water that are completely surrounded by land and are not connected to ________
    lakes / oceans
  • A __________ is the land over which a river flows.
    River bed
  • River meets flatter land (upper, middle or lower course)
    Middle course
  • Label the letter "c)"
    spring
  • The point where two rivers meet is called a ___________
    Confluence
  • A ______________ is a river that empties into a bigger river.
    Tributary
  • A ____________ is a group of river basins that empty into the same sea.
    Drainage basin
  • Label the letter "a)"
    impermeable rock
  • River is small (upper, middle or lower course)
    Upper course
  • Source (upper, middle or lower course)
    Upper course
  • Empties into the sea (upper, middle or lower course)
    Lower course
  • Water flows quickly (upper, middle or lower course)
    Upper course
  • A _____________ is an area of land that is drained by a river and its tributaries.
    River basin
  • Precipitation: Water can fall as a liquid (rain) or as a ____________ (snow or hail).
    solid
  • Label the letter "e)"
    well
  • Condensation: Water changes from a ____________ to a __________.
    gas / liquid
  • They are very thick masses of ice that cover large areas of land.
    Glaciers
  • River becomes even wider (upper, middle or lower course)
    Lower course