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CIE iGCSE Geography: Weather and Climate
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The complete CIE IGCSE Geography course in flashcards. These notes are made by a grade 9 student who has very recently received their qualification. Class notes, textbooks, professionals, online resources and even contact with the exam board ensures these notes are comprehensive. Complied with ...

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  • March 18, 2020
  • April 11, 2021
  • 9
  • 2019/2020
  • Study guide

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Home / Science / Earth Science / Environmental Science




1- Weather, 1- Climate
Terms in this set (79)


What is weather? The state of the atmosphere at a given time and place


sinking, warming air (no clouds - night: cold frosty morning, day:
High pressure
warm/sunny)


Another name for high pressure anticyclone


How are anticyclones formed? cool air sinks, cool air warms, cool air cannot condense


rising, cooling air (cloudy - night: humid/wet morning, day:
Low pressure
dull/dark)


Another name for low pressure depression


How are depressions formed? warm air rises over cool air, warm air cools, warm air condenses


How do we measure atmospheric barometer (millibars)
pressure?


-mercury: forced up vacuum of tube with pressure
Reasons for the design of a barometer -aneroid: flexible container expands/contracts in vacuum with
pressure, moves mechanics, needle displays reading


How do we measure humidity? hygrometer (wet and dry bulb) (%)


- dry: actual temp
- wet: saturation (calculate difference)
- muslin in water: evapouration cool wet bulb showing lower
Reasons for the design of a hygrometer
humidity
wet bulb depression: (dry-wet)
relative humidity: (table, depression and dry bulb)


Absolute humidity 100% (dry and wet bulb temp same)

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