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Why does it rain?

Discussion in 'Geography' started by TheoGriff, Feb 3, 2014.

  1. TheoGriff

    TheoGriff Star commenter

    I have a query that I would be grateful to hear your views on.

    Have just read the following in a geography text book for year 5.

    Why does it rain more in the mountains than on the plain? Because the clouds bump against the mountains, and the bumping causes them to release their water.

    In my non-geographer innocence, I thought this was to do with the clouds rising, air getting colder, dew point is reached, so water drops are formed and thus it rains.

    I would love to hear a specialist answer here! Thanks

    Best wishes

    ___________________________________________________

    Meet Theo on line on the TES JobSeekers Forum, or in person at one of the TES Careers Advice Service seminars or individual consultations.
     
  2. Theo, you are correct. The clouds are not 'bumping' against the mountain. Instead the clouds are trying to go over the mountain, they then cool and release their moisture = relief rainfall.
     
  3. Thank goodness you don't have to explain frontal rainfall. Air masses is something my year 10s have struggled with in the past!
     
  4. TheoGriff

    TheoGriff Star commenter

    Thank you Shiny!

    I was taken aback when I saw that in the textbook . . . it's bad enough having to teach geography in Spanish (I am in Spain doing my few weeks of voluntary teaching) without feeling that the flipping textbook is wrong!

    I am actually taken aback from time to time at things that I hear teachers say/write here . . . not so long ago one had the children copying from the board that the role of veins is to carry food around the body, starting in the stomach where all the goodness from your food is taken up into the veins and moved to the brain.

    I'm not a scientist, but that is not what I remember from O levels 55 years ago . . .

    At least, I don't think so. [​IMG]

    And then there's the one who was explaining that Chinese, Russian and Moroccan families use a different alphabet because they are not Christian. A Russian girl objected that they were, a Greek girl said they were Christian too but her grandparents read a newspaper with a different alphabet. They were dismissed with You're a different sort of Christian, proper Christians use this alphabet.

    [​IMG]

    But the geography textbook wrong . . .

    Best wishes

    ___________________________________________________

    Meet Theo on line on the TES JobSeekers Forum, or in person at one of the TES Careers Advice Service seminars or individual consultations.
     

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