February 2025

Madonzo echiito (moods of the verb)

By |2025-02-12T09:31:45+02:00February 12th, 2025|O Level Shona Notes|

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Madonzo echiito (moods of the verb)

Chiito chimwe chete chinogona kureva zvakasiyana zvichienda nekushandiswa kwachinenge chaitwa. Siyano inenge iri pachiito iyi inonzi donzo kana kuti mood yechiito ichi. Kune madonzo echiito akawanda muChiShona sekuratidzwa kwakaitwa pazasi:

1. Donzo rokuita (infinitive mood)

a) Baba ndivo vari kurwara.

b) Vana vanofanira kudzidza nesimba.

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The Kololo under Sebetwane

By |2025-02-12T09:17:58+02:00February 12th, 2025|O Level History Notes|

The Okavango River. Image by The Okavango River. Image from Flcker The Kololo under Sebetwane (ZIMSEC O Level Notes)

Origins and migration of the Kololo people

  • The Kololo were Sotho speaking people from the Transorangia area composed of two Fokeng groups which migrated under Sebetwane during the period of Mfecane […]
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Pressure systems

By |2025-02-12T09:10:04+02:00February 12th, 2025|O Level Geography, Weather and Climate|

The world's pressure belts The world’s pressure belts and winds ZIMSEC O Level Geography Notes: Pressure

Pressure

  • Air has weight and therefore exerts pressure, called atmospheric pressure onto the earth’s surface.
  • The pressure is not the same for all regions nor is it the same for any one region all the time that […]
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Divergence/Constructive zone/plates

By |2025-02-12T09:18:09+02:00February 12th, 2025|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

Divergent plates. Image by Cornel. Divergent plates. Image by Cornel. ZIMSEC O Level Geography Notes: Plate Tectonics: Convergence Plates

  • In a divergence zone plates move away from one another thus the name “divergence.”
  • Magma up-wells from the mantle to fill the gap left by the diverging plates.
  • The magma provides new material to form […]
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Weathering

By |2025-02-12T09:10:34+02:00February 12th, 2025|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

A weathered boulder. Image credit earthlearningidea. A weathered boulder. Image credit earthlearningidea. ZIMSEC O Level Geography Notes: Weathering

  • Earth movements (plate tectonics) create and lead to the development of the earth’s major landforms for example block mountains, volcanic cones, lava plateaus and rift valleys.
  • As soon as they are formed denudation processes […]
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Yardangs, Zeugens and Rock Pedestals

By |2025-02-12T08:56:37+02:00February 12th, 2025|Hot Deserts, Notes, O Level Geography, Ordinary Level Notes|

Zeugens. Image credit Revisionworld.com Zeugens. Image credit Revisionworld.com ZIMSEC O Level Geography Notes: Hot Deserts: Yardangs

Zeugens

  • Pictured in the diagram above.
  • Zeugens are the ridges in “ridge and furrow” landscapes found in deserts.
  • These ridge and furrow landscapes sculpted found in hot deserts are a result of wind erosion.
  • Wind abrasion turns a desert surface […]
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