January 2023

Lightining

By |2022-09-15T12:44:39+02:00January 24th, 2023|Notes, Weather and Climate|

Lightining. Image by GreenSociety. Lightining. Image by GreenSociety. ZIMSEC O Level Geography Notes: Weather Hazards: Lightining

  • Is typically caused by the physical characteristics of cumulonimbus weather conditions.
  • As rain drops fall the energy which they have causes a positive charge to develop at the top of a cloud and negative charges to develop […]
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Factors affecting weathering

By |2022-09-15T12:44:21+02:00January 24th, 2023|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

Weathered Limestone rocks. Image credit konfuciuszintezet.hu Weathered Limestone rocks. Image credit konfuciuszintezet.hu ZIMSEC O Level Geography Notes: Factors affecting weathering.

  • The rate and prvailing type of weathering at any given place is affected by:
  1. Climate
  2. Relief
  3. Vegetation
  4. Rock type

Climate

  • Weathering types are distrubuted according to the prevailing climate of given areas especially when considering.
  • Temperature and rainfall […]
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Irrigation Farming

By |2022-09-15T12:36:33+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Small scale irrigation. Image credit wfp.org

ZIMSEC O Level Geography Notes:Agriculture:Farming types in Africa:Irrigation Farming

  • This is the artificial application of water on land in order to grow crops when prevailing climatic and weather conditions cannot sustain such crop growth.
  • This expensive farming system is carried out in order to:
    1. Increase […]
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The Weather Station

By |2022-09-15T12:44:58+02:00January 24th, 2023|O Level Geography, Weather and Climate|

A typical weather station. Image by Stanbachonline. A typical weather station. Image by Stanbachonline. ZIMSEC O Level Geography Notes: Weather Station

-A weather station is a facility, either on land or sea, with instruments and equipment for measuring atmospheric conditions to provide information for weather forecasts and to study the weather […]

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Landforms resulting from weathering

By |2022-09-15T12:44:21+02:00January 24th, 2023|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

Ruware/Dwala. Image credit WordPress.com Ruware/Dwala. Image credit WordPress.com ZIMSEC O Level Geography Notes: Landforms resulting from weathering.

  • Weathering processes and usually in conjunction with other denudation processes such as water and wind erosion and mass wasting results in the formation of various landscapes.
  • In temperate and tropical latitudes these include:

1.Inselbergs/Monadnocks

  • The […]
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Advantages of iron and steel industries

By |2022-09-15T12:36:15+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Steel Plant image credit MediaWiki

ZIMSEC O Level Geography Notes: Iron and Steel Industry:Advantages of iron and steel industries

  • Many advantages accrue to a country as a result of establishing its own iron and steel works.

Industrial growth

  • Iron and steel works are themselves industries, so establishing more of these means industrial […]
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