February 2025

Small scale energy sources and plants:Solar energy

By |2025-02-12T09:44:50+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A Photo-voltaic power plant. Image credit oorjasolar.com

ZIMSEC O Level Geography Notes: Natural Resources: Energy:Small scale energy sources and plants:Solar energy

  • Solar energy is converted into electrical energy in two ways
  • The first is through the use of solar panels
  • These are also known as photo voltaic power plants for reasons […]
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Small scale energy sources and plants:Bio-fuel

By |2025-02-12T09:45:20+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Jatropha plant. Image credit jatropha.org.za

ZIMSEC O Level Geography Notes: Natural Resources: Energy:Small scale energy sources and plants:Bio-fuel

  • is a fuel that is produced through contemporary biological processes,
  • such as agriculture and anaerobic digestion,
  • rather than a fuel produced by geological processes such as those involved in the formation of fossil […]
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Small scale energy sources: Wood stove

By |2025-02-12T09:45:48+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Wood stove. Image credit quadrafire.com

ZIMSEC O Level Geography Notes: Natural Resources: Energy:Small scale energy sources and plants:Wood stove

  • A wood stove is a heating appliance capable of burning wood fuel and wood-derived biomass fuel, such as wood pellets.
  • Wood stove are usually made using a combination of metal(iron) and bricks

    • […]

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Energy resources in Zimbabwe

By |2025-02-12T08:56:47+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Wood is a popular fuel source in Zimbabwe. Image credit Flickr.com

ZIMSEC O Level Geography Notes: Natural Resources: Energy:Energy resources in Zimbabwe

  • The major sources of Zimbabwe’s electrical energy are coal from Hwange and water at Kariba HEP station.
  • Wood makes small but significant contributions.
  • All the oil products used in […]
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Energy: Introduction

By |2025-02-12T09:26:42+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Power-line to transmit electrical energy

ZIMSEC O Level Geography Notes: Natural Resources:Energy

  • Energy is power.
  • It may exist in the form of potential or kinetic energy or in the form of fossil fuels and hydrocarbons.
  • It is also found in the form of light or heat energy.
  • Its sources cover all […]
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The energy crisis in Zimbabwe

By |2025-02-12T08:57:24+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Polling Stations in the Dark. Image credit mg.co.za

ZIMSEC O Level Geography Notes: Natural Resources: Energy:The energy crisis in Zimbabwe 

The energy crisis in Zimbabwe is demonstrated through the following:

  • Frequent shortages of petroleum and its products resulting in long queues for the scarce commodity at service stations.
  • Fluctuating prices in the […]
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