O Level Geography Archives - Page 26 of 35 - Free ZIMSEC & Cambridge Revision Notes

River profile

By garikaib|2025-02-12T09:30:07+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes, River Processes|

The long profile of a river. Image credit worldbuildingschool.com ZIMSEC O Level Geography Notes: River Profile

Rivers can be studied from two aspects viz:
The long profile-this is the cross section along the river’s entire length from its source to its mouth.
The short profile-this […]

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The hydrological / Water cycle

By garikaib|2025-02-12T09:00:59+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes, River Processes|

The hydrological cycle. Image credit BBC ZIMSEC O Level Geography Notes: The hydrological cycle.

Water does not leave or enter the planet earth.
It is instead continuously transferred between the atmosphere and the oceans.
The system of inputs, storages,flows and outputs is known as the water or hydrological […]

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Settlements: Introduction

By garikaib|2025-02-12T09:35:29+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Harare is the most famous settlement in Zimbabwe. Image credit Bulawayo24.com ZIMSEC O Level Geography Notes: Population and Settlement: Introduction

Settlement

Refers to a structure where human beings reside.
It may be made up of one or several dwellings.
The term settlement is, […]

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Urban sphere of influence and urban hierarchy

By garikaib|2025-02-12T09:46:05+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Harare has a sphere of influence that covers the whole country. Image credit harare-info.com ZIMSEC O Level Geography Notes: Settlements:Urban sphere of influence and urban hierarchy

A sphere of influence is an area which depends on a […]

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Population Change

By Rachel Majaya|2025-02-12T09:06:53+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Health care improvements affect population change. Image credit ibtimes.co.uk

ZIMSEC O Level Geography Notes: Population: Population Change

The difference between the size of the population to the end and the beginning of a period.
This change is developmental, that is, it has stages through which a population passes
This theory can be […]

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Common Killer Diseases in the Tropics: Malaria

By Rachel Majaya|2025-02-12T09:30:27+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Anopheles Mosquito. Image credit voanews.com

ZIMSEC O Level Geography Notes:Common Killer Diseases in the Tropics: Malaria

Malaria is one of the most widespread diseases in Tropical Africa.
It is caused by a parasite called plasmodium,
which is transmitted by the female anopheles mosquito.
When a female anopheles mosquito bites a patient, it […]

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Farming as a system

By Rachel Majaya|2025-02-12T09:22:14+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A farm/family plot can be viewed as a system. Image credit mg.co.za

ZIMSEC O Level Geography Notes:Agriculture:Farming as a system

A farm is a tract of land on which crops and often livestock are raised for livelihood
A farm can be viewed as a system
A system is a set of interacting […]

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Livestock Farming

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

Dairy Farm. Image credit abstcm.com

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

Animal husbandry is the rearing of livestock, cattle, sheep, goats and donkeys by a farmer in order to sustain himself and his nation.
Commercially, for Zimbabwe and the rest of Africa with the exception of South Africa’s […]

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Transport and Location of industries

By Rachel Majaya|2025-02-12T09:06:38+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Raw Materials and Finished Goods both incur transport costs

ZIMSEC O Level Geography Notes:Types of Industrial Location:Transport and Location of industries

Industries locate where there are efficient, appropriate and cheap modes of transport to move their raw materials goods to markets and the labour force.
Generally there are two types of […]

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Air Transport in Zimbabwe

By Rachel Majaya|2025-02-12T09:12:15+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Air Zimbabwe Boeing 707-330B Hoppe. credit MediaWiki

ZIMSEC O Level Geography Notes: Transport: Air Transport in Zimbabwe

Modern airports are very costly to build and maintain and require a very large area of flat land on which to build them.
Large areas to build arrival and departure terminals, custom offices, warehouses and maintenance […]

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February 2025