January 2023

Characteristics of Hot Deserts

By |2022-09-15T12:44:18+02:00January 24th, 2023|Hot Deserts, Notes, O Level Geography, Ordinary Level Notes|

Kalahari Desert. Image credit HDImageLib Kalahari Desert. Image credit HDImageLib ZIMSEC O Level Geography Notes:Characteristics and Location of Hot deser

NB:It is important to note that the Ordinary Level syllabus confines our study to hot deserts that are otherwise known as tropical deserts. Other deserts such as the cold deserts of […]

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Landforms resulting form river processes

By |2022-09-15T12:44:03+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes, River Processes|

Rapids near Niagara Falls. Image credit NiagaraFallsLive.com Rapids near Niagara Falls. Image credit NiagaraFallsLive.com ZIMSEC Geography Notes: Landforms resulting from river processes

  • A river through its processes of erosion, transportation and deposition forms several landforms.
  • These can be broadly divided into those landforms resulting from erosion and deposition.

Landforms […]

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Wind direction and speed

By |2022-09-15T12:44:56+02:00January 24th, 2023|O Level Geography, Weather and Climate|

A cup anemometer and windvane. Image by Noaa.gov. A cup anemometer and windvane. Image by Noaa.gov. ZIMSEC O Level Geography Notes: Wind direction and speed.

Wind is the movement of air across the earth’s surface due to differences in pressure between two regions. Air moves from high pressure regions to low […]

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Folding

By |2022-09-15T12:44:32+02:00January 24th, 2023|Landform Studies, Notes, Ordinary Level Notes|

Simple Folding. Image by Pixshark. Simple Folding. Image by Pixshark. ZIMSEC O Level Geography: Folding

  • Tectonic movements are those movements that result from the earth’s internal forces.
  • When forces move horizontally towards one another they are known as compressional.
  • Rocks that make up the earth’s crust are subjected to these compressional forces in a […]
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Sunshine

By |2022-09-15T12:44:55+02:00January 24th, 2023|O Level Geography, Weather and Climate|

A sunshine recorder. Image by Rfuess-Mueller. A sunshine recorder. Image by Rfuess-Mueller. ZIMSEC O Level Geography Notes: Sunshine

  • It has a glass sphere surrounded by a metal frame.
  • On the frame is attached a sensitive card.
  • The sphere focuses the sun’s rays onto the card.
  • As the sun moves across the sky it burns […]
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Land-forms resulting from folding

By |2022-09-15T12:44:32+02:00January 24th, 2023|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

The fold mountains of the Cape are among the most prominent features of folding. Image via AfricanSky. The fold mountains of the Cape are among the most prominent features of folding. Image via AfricanSky.

Land-forms resulting from folding

Several landforms are formed during the folding process including:

  1. Anticlines
  2. Nappe fold
  3. Overthrust
  4. Overfold
  5. Recumbent
  6. Fold mountains

1. Anticline

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