O Level Geography Archives - Page 25 of 35 - Free ZIMSEC & Cambridge Revision Notes

River transportation processes

By garikaib|2025-02-12T09:20:18+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes, River Processes|

River transportation processes. Image credit BBC. ZIMSEC O Level Geography Notes: River Transportation Processes.

Any energy left after a river has overcome friction is used to transport sediment.
This energy varies directly with a river’s discharge, velocity and turbulence
That is if they increase the amount of […]

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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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The role of service industries

By Rachel Majaya|2025-02-12T09:45:06+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Banks provide essential services.

ZIMSEC O Level Geography Notes: The role of service industries

A service industry is an industry which provides back-up to other sectors of the economy such as primary and secondary industries as well as to the people or labour force for them to function well.
They are […]

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February 2025