O Level Geography Archives - Page 5 of 35 - Free ZIMSEC & Cambridge Revision Notes

Wind in deserts

By garikaib|2025-02-12T09:34:16+02:00February 12th, 2025|Hot Deserts, Notes, O Level Geography, Ordinary Level Notes|

A sandstorm in a desert. Image credit annechia.com ZIMSEC O Level Geography Notes: Wind in Deserts

Wind is responsible for eroding, transporting and depositing materials in deserts.
To learn more go to Wind Action in Deserts.
Various landforms are formed by the above processes. […]

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River Erosion

By garikaib|2025-02-12T09:18:38+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes, River Processes|

River erosion. Image credit Internationalarchives.org ZIMSEC O Level Geography Notes: River Erosion

River erosion involves the wearing away of rock and soil found along the river bed and banks.
It also involves the breaking down of the rock particles being carried downstream by the river.
There are four […]

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Drainage Patterns

By garikaib|2025-02-12T09:45:35+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes, River Processes|

Image credit fanshare.com ZIMSEC O Level Geography Notes: Drainage Patterns.

Drainage pattern is a term that refers to the way in which a river and its tributaries arrange themselves in the drainage basin.
The drainage pattern evolves over a long period of time and is affected by such factors […]

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Air Transport

By garikaib|2025-02-12T09:32:07+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

An Ethiopian airways cargo plane. Image credit theafricanaviationtribune.com ZIMSEC O Level Geography Notes: Transport: Air Transport

Advantages

Is very fast for example a trip to the Victoria Falls takes 1 hour 15 minutes by air and over 12 hours by road.
Is comfortable
Not affected by […]

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Urbanisation and its causes

By garikaib|2025-02-12T09:42:37+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

People on the streets of Harare. Image credit zgossip.co.zw ZIMSEC O Level Geography Notes: Urbanization and its causes

Urbanisation-is the increase of the proportion of people living in cities and towns.
Please note it urbanisation is not to be mistaken with a mere increase […]

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Factors that affect the Spheres of influence

By Rachel Majaya|2025-02-12T09:03:29+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

The city of Harare has the largest sphere of influence. Image credit

ZIMSEC O Level Geography Notes: Settlements:Factors that affect the Spheres of influence

The most important factor in determining the sphere of influence of a settlement is it’s size
Products and services can also be used to determine a settlement’s […]

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Terms used in Population studies

By Rachel Majaya|2025-02-12T09:29:08+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

ZIMSEC O Level Geography Notes:Population Studies:Terms used in Population studies

Birth Rate (or crude birth rate) is the number of live births per 1,000 of the population in a given year. (Not to be confused with the growth rate).
Brain Drain is the emigration of a significant proportion of a country’s highly […]

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Solutions to the Problems Caused by Nomadism

By Rachel Majaya|2025-02-12T09:11:32+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Sedentarization is a possible solution. Image credit aljazeera.com

ZIMSEC O Level Geography Notes:Agriculture:Farming types in Africa:Solutions to the Problems Caused by Nomadism

The problem caused by nomads are a cause for concern for settled farmers and governments in Africa, as well as international organisation such as the United Nations.
As a result, […]

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Types of Irrigation

By Rachel Majaya|2025-02-12T09:42:41+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Sprinkler irrigation are a form of modern irrigation. Image credit financialgazette.co.zw

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

irrigation may be divided into two groups namely:
traditional forms of irrigation and
modern ones.

Traditional forms of irrigation

Under traditional methods, there’s the water wheel moved by draught power […]

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Types of industry:Tertiary/Service Industry and Quaternary Industries

By Rachel Majaya|2025-02-12T09:04:54+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Rainbow Towers Hotel Harare.

ZIMSEC O Level Geography Notes:Industrial Studies: Types of industry:Tertiary/Service Industry and Quaternary Industries

Tertiary or service industries

These industries provide back-up services to primary and secondary industries so that their functioning becomes easier.
Examples include administration, retailing, transport and distribution, power supplies, health, education and housing.
These industries […]

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February 2025