January 2023

The theory of continental drift

By |2022-09-15T12:44:36+02:00January 24th, 2023|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

Evedence for the continental drift. Image by Wiki Commons. Evidence for the continental drift. Image by Wiki Commons. ZIMSEC O Level Geography Notes: The theory of continental drift

  • The theory of or idea that present day continents were once one single continent.
  • Continental drifts refers to the movement of continents.
  • The theory says that […]
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Pressure systems

By |2022-09-15T12:44:54+02:00January 24th, 2023|O Level Geography, Weather and Climate|

The world's pressure belts The world’s pressure belts and winds ZIMSEC O Level Geography Notes: Pressure

Pressure

  • Air has weight and therefore exerts pressure, called atmospheric pressure onto the earth’s surface.
  • The pressure is not the same for all regions nor is it the same for any one region all the time that […]
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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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Rainfall

By |2022-09-15T12:44:50+02:00January 24th, 2023|O Level Geography, Weather and Climate|

Rainfall. Image via the Herald. Rainfall. Image via the Herald. ZIMSEC O Level Geography Notes: Rainfall.

  • Rainfall is just one form of precipitation.
  • Precipitation occurs when warm moist air rises or is forced to rise.
  • Water vapor in the air parcel cools and condenses to form clouds.
  • This is because temperature falls with increase […]
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