February 2025

Experiment: Is energy released by germinating seeds?

By |2025-02-12T08:56:39+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

Germinating seeds. Image credit hummert.com Germinating seeds. Image credit hummert.com ZIMSEC O Level Combined Science Notes: Experiment: Is energy released by germinating seeds?

Aim:  Determine whether energy is released when seeds are germinating.

Hypothesis: Seeds are structures produced by plants (living organisms). They respire when they are germinating.

Materials: tow insulated containers/vacuum flasks, two supporting […]

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Transport: Bicycles, carts and Rickshaws

By |2025-02-12T09:27:54+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A rickshaw. Image credit MediaWiki A rickshaw. Image credit MediaWiki ZIMSEC O Level Geography Notes: Transport: Draught Power

Advantages

  • cheap
  • clean
    versatile
  • simple and available technology which makes them easy to manufacture and repair
  • Usually they do not require route permits

Disadvantages

  • They only carry a limited amount of goods/people
  • Can cause traffic congestion or make it worse.
  • They can […]
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Rural Settlements in Zimbabwe

By |2025-02-12T09:43:15+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Rural Homestead. Image credit thezimbabwemail.com Rural Homestead. Image credit thezimbabwemail.com ZIMSEC O Level Geography Notes: Settlements:Rural Settlements in Zimbabwe

  • Historic settlements were rural, as the populations were mainly dependent on hunting, fishing and gathering fruits.
  • Shelter was mostly basic and in the form of caves, tents made from animal skins, huts made out […]
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Specialisation,Division of Labour and Trade

By |2025-02-12T09:10:43+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

Assembly line production is an example of specialisation. Image credit Youtube.com Assembly line production is an example of specialisation. Image credit Youtube.com ZIMSEC O Level Business Studies: Specialization and division of labor.

Specialization

  • A situation where, by agreement, people who are more suited to perform a task as a result of technical […]
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