O Level Geography Archives - Page 6 of 35 - Free ZIMSEC & Cambridge Revision Notes

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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Gezira versus Lowveld Irrigation schemes

By Rachel Majaya|2025-02-12T09:17:10+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Gezira Irrigation cotton plants. Image credit MIT

ZIMSEC O Level Geography Notes:Agriculture:Farming types in Africa:Gezira versus Lowveld Irrigation schemes

Gezira Irrigation Scheme

Is one of the largest irrigation schemes in the world
It is found int the state of Al Jazirah in Sudan
It is located at the confluence of the […]

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Market and Location of industries

By Rachel Majaya|2025-02-12T09:06:16+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Bread is perishable and therefore it’s industries are located close to the market.

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

Some industries are market-based not because their products are heavier than the raw materials making them, but because they are perishable.
Examples are opaque beer and […]

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The railways in Zimbabwe

By Rachel Majaya|2025-02-12T09:11:42+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

NRZ train.chronicle.co.zw

ZIMSEC O Level Geography Notes: Transport: Rail transport network in Zimbabwe

The railway network of Zimbabwe is less complicated when compared to the road network.
There are,however, some striking similarities between these.
The main railway line of Zimbabwe runs along the Central Watershed from Bulawayo through Gweru, Kwekwe, Kadoma and then […]

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