geography Archives - Free ZIMSEC & Cambridge Revision Notes

Pressure systems

By garikaib|2025-02-12T09:10:04+02:00February 12th, 2025|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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Introduction to weather and climate

By garikaib|2025-02-12T08:59:57+02:00February 12th, 2025|O Level Geography, Weather and Climate|

Rainy Weather. Image by Sodahead. ZIMSEC O Level Geography Notes: Introduction to Weather and Climate

Weather-the state of the atmosphere at a particular place and time as regards heat, cloudiness, dryness, sunshine, wind, rain, etc. The weather is all around us, all the time. It is an […]

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The Weather Station

By garikaib|2025-02-12T09:04:04+02:00February 12th, 2025|O Level Geography, Weather and Climate|

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 garikaib|2025-02-12T09:31:12+02:00February 12th, 2025|O Level Geography, Weather and Climate|

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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Prevailing Winds in Southern Africa

By garikaib|2025-02-12T09:22:01+02:00February 12th, 2025|O Level Geography, Weather and Climate|

The Harmattan. Image by Kafkaesqublog ZIMSEC O Level Geography Notes: Prevailing Winds in Southern Africa

The eastern parts of Zimbabwe about 200km from the port of Beira and on average Zimbabwe is about 400km from the Indian Ocean, the closest ocean to the country.
Due to its proximity to the […]

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Weather Hazards

By garikaib|2025-02-12T08:59:03+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes, Weather and Climate|

Floods are just one of many natural weather hazards. Image by The Australian. ZIMSEC O Level Geography Notes: Weather Hazards

Weather hazards are conditions which are unfavorable to people and their activities that result from weather phenomena.
There are […]

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The earth’s crust

By garikaib|2025-02-12T09:09:09+02:00February 12th, 2025|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

The structure of the Earth. Image by BBC. ZIMSEC O Level Geography Notes: The Earth’s Crust

The earth is generally spherical in shape.
It’s surface however is made up of immeasurable valleys, mountains, rivers, hills etc of different shapes and sizes which in turn […]

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The theory of continental drift

By garikaib|2025-02-12T09:12:29+02:00February 12th, 2025|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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February 2025