geography notes Archives - Page 3 of 21 - Free ZIMSEC & Cambridge Revision Notes

Forests in Zimbabwe: Brachystegia Savanna Woodland

By Rachel Majaya|2025-02-12T09:19:45+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A group of Musasa trees on a low hill. Image credit flickr.com

ZIMSEC O Level Geography Notes: Natural Resources: Renewable Resources: Forests in Zimbabwe: Brachystegia Savanna Woodland

This type of woodland generally covers much of the country’s Highveld, generally lying between 900 and 1 200 metres above sea level.
Brachystegia is […]

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Water as a renewable resource

By Rachel Majaya|2025-02-12T09:12:23+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Water is a critical life resource.

ZIMSEC O Level Geography Notes:Water as a renewable resource

Water covers over two-thirds of the earth’s surface.
It is found in oceans, seas, lakes, rivers, ice caps, glaciers and in underground aquifers.
Of the world’s most abundant water resources, only 3% is fresh water and […]

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Fish conservation

By Rachel Majaya|2025-02-12T09:08:36+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Police patrols can reduce fish poaching. Image credit flickr.com

ZIMSEC O Level Geography Notes: Natural Resources: Fishing:Fish conservation

The fishing industry in the SADC region can only be sustained if sustainable methods are employed.
The following methods of conservation have been put in place in the region.
Legislation has been enacted […]

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Hydro-electric power

By Rachel Majaya|2025-02-12T09:27:38+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A hydro-electric power station. Image credit MediaWiki

ZIMSEC O Level Geography Notes: Natural Resources: Energy:Hydro-electric power

At a hydro-electric power plant, water leaves the lake or reservoir at high pressure (speed) and goes through pen stocks (concrete or steel pipes) to the turbines in a power house underground.
The force of […]

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Advantages and Disadvantages of coal as a source of energy

By Rachel Majaya|2025-02-12T08:58:53+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Burning coal

ZIMSEC O Level Geography Notes: Natural Resources: Energy:Advantages and Disadvantages of coal as a source of energy

Advantages

Relatively high energy amount.
Fairly plentiful with global estimate use of 4 000 years.
Employment creation in mining, processing, burning and distribution.
Has many other industrial uses.
Relatively cheap energy source.

Disadvantages

Non-renewable […]

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Sea Transport

By garikaib|2025-02-12T09:32:45+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

An ocean bulk cariar. Image credit malaquaylogistics.com An ocean bulk carrier. Image credit malaquaylogistics.com ZIMSEC O Level Geography Notes: Transport: Sea Transport

Advantages

Is relatively cheaper.
Caries bulky goods at once
They are very comfortable for example cruise ships and ocean liners are often fitted with luxury facilities such as bathrooms, toilets, casinos and […]

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Introduction and importance of population studies

By garikaib|2025-02-12T08:56:31+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A child holding a clinic card. Image credit BBC ZIMSEC O Level Geography Notes: Population:Introduction and importance of population studies

Population studies is the scientific study of human populations
It entails the study of:

population numbers
Their growth and decline
deaths
births

[…]

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Migration: Introduction

By Rachel Majaya|2025-02-12T09:19:16+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Forced Migration. Image credit UNHCR

ZIMSEC O Level Geography Notes: Migration: Introduction

Migration is the permanent or semi-permanent movement of people from one area to another, one country to another or one continent to another.
This involves the change of residence
There are several ways to classify migrations and these are:
1. In terms […]

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Farming types in Africa

By Rachel Majaya|2025-02-12T09:03:09+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A subsistence farmer. Image credit agricnation.com

ZIMSEC O Level Geography Notes:Agriculture:Farming types in Africa: Introduction

Zimbabwe and in a larger sense Africa are endowed with such a wide diversity of environmental conditions and cultures.
This was enhanced as a result of it being colonized by different European countries for over a century.

[…]

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Plantation (estate) farming

By Rachel Majaya|2025-02-12T09:39:50+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A tea estate. Image credit blogspot.com

ZIMSEC O Level Geography Notes:Agriculture:Farming types in Africa: Plantation (estate) farming

This is the large-scale production, usually of one crop on a large piece of land called an estate, for an extended period of time.
The crop grown here may be perennial, that is, grown […]

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February 2025