Study

4th Social Science Unit 3 Water

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  • The water vapour ---------- and changes into water drops
    cools or condenses
  • Which course is near a river source?
    Upper course
  • What is a river bed?
    The ground a river flows over.
  • rivers start on....
    high land
  • What are tributaries?
    They’re small rivers that flow into other rivers.
  • The water table is....
    the top part of an aquifer
  • The sun heats --------- in the oceans, lakes and seas.
    water
  • Which course is very wide?
    Lower course
  • There are large bends in the upper course of the river
    False. There are large bends in the lower course of the river
  • Most of the fresh water on Earth is....
    under the ground
  • Which course flows across plains?
    Lower course
  • Which course is narrow and flows fast?
    Upper Course
  • What is porous rock?
    Rock with small holes that contain water
  • Most fresh water is...
    in the ice caps and glaciers
  • A river is narrow in the upper course of the river: TRUE OR FALSE
    True
  • What is an aquifer?
    Water below the ground
  • What is the mouth of a river?
    It is the place where the river enters the sea or ocean.
  • ______ of the water in the hydrosphere is in oceans and seas.
    97% or most
  • Water from precipitation filters through....
    soil and porous rocks
  • The water falls from the clouds as---------
    precipitation
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