January 2023

Experiment: To show how a hydraulic Machine increases force

By |2022-09-15T12:38:07+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

Syringes showing how a hydraulic machine works Syringes showing how a hydraulic machine works ZIMSEC O Level Combined Science Notes: Experiment: To show how a hydraulic Machine increases force

Aim: To show how a hydraulic machine increases force

Materials:  small syringe, syringe with larger diameter, plastic tube, water, ruler

Method

  1. Half fill the large syringe […]
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Diseases:HIV/AIDS

By |2022-09-15T12:37:56+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

Zimbabwe nurse and health worker. Image credit icrc.org Zimbabwe nurse and health worker. Image credit icrc.org ZIMSEC O Level Combined Science Notes: Disease:Immunity and Immunisation

HIV and Its effects

  • HIV stands for Human Immunodeficiency Virus
  • It lives in the body fluids including blood, saliva, semen, tears etc
  • It enters the body in […]
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Causes of infertility

By |2022-09-15T12:37:49+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

Sterility can cause strain in a relationship. Image credit colossiansfamilynetwork.org Sterility can cause strain in a relationship. Image credit colossiansfamilynetwork.org ZIMSEC O Level Combined Science Notes: Causes of infertility

  • Sterility is the inability to reproduce
  • There are a number of causes for sterility
  • Low sperm count (makes it […]
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How managers can use Maslow’s theory of motivation

By |2022-09-15T12:37:42+02:00January 24th, 2023|Notes, O Level Business Studies Notes, Ordinary Level Notes|

A shop floor worker. Image credit footprint2africa.com A shop floor worker. Image credit footprint2africa.com ZIMSEC O Level Business Studies Notes: How managers can use Maslow’s theory of motivation

  • Maslow’s motivation theory can be used to motivate workers in a number of ways
  • Managers should first identify the unfulfilled needs of […]
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Non Financial Methods of Motivation

By |2022-09-15T12:37:34+02:00January 24th, 2023|Notes, O Level Business Studies Notes, Ordinary Level Notes|

Non-financial motivators. Image credit icsingenierie.com Non-financial motivators. Image credit icsingenierie.com ZIMSEC O Level Business Studies Notes: Non Financial Methods of Motivation

  • These can be contrasted with financial methods of motivation
  • Non financial motivation methods are those that do not involve the flow of monetary benefits to the employee/worker
  • These include:

    • […]

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Importance, Advantages and Disadvantages of informal groups

By |2022-09-15T12:37:27+02:00January 24th, 2023|Notes, O Level Business Studies Notes, Ordinary Level Notes|

Informal groups meet social needs of members. Image credit psypost.org

ZIMSEC O Level Business Studies Notes: Importance, Advantages and Disadvantages of informal groups

Advantages /Importance of informal groups

  • They satisfy the social needs of their members
  • The group members can help each other […]
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The city of Gweru

By |2022-09-15T12:37:19+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

The city of Gweru. Image credit vevesworld.com

ZIMSEC O Level Geography Notes: Settlements: The city of Gweru

  • Gweru is an administrative capital of the Midlands region.
  • It has a male population of 776 787 and a female population of 838 154 which results in a total population of 1 614 941 […]
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Introduction to population growth, change and structure

By |2022-09-15T12:37:10+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

ZIMSEC O Level Geography Notes: Introduction to population growth, change and structure

  • There is a strong inter-relationship between birth rate, death rate, population growth, change and structure.
  • Birth rate is the number of live births per 1 000 of the population in one year.
  • \text{Crude Birth Rate}=\dfrac{Number\quad of \quad Live \quad Births \quad in \quad Year}{Total\quad Population \quad in […]
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Causes of Migrations

By |2022-09-15T12:37:03+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Causes of Migration. Image credit rnw.nl

ZIMSEC O Level Geography Notes: Migration: Causes of Migrations

  • Generally factors that affect migration are divide into two:
  • push factors and
  • pull factors
  • Push factors are those that are responsible for driving people from an area
  • Pull factors are those that attract people to an area.

    • […]

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Expansion of the Zulu State under Tshaka

By |2022-09-15T12:36:56+02:00January 24th, 2023|Notes, O Level History Notes, Ordinary Level Notes|

A statue of Tshaka kaZulu. Image credit blogspot.com

ZIMSEC O Level History Notes: The Zulu State: Expansion of the Zulu State under Tshaka

  • Shaka consolidated his power series of battles with neighbouring states in which he raided, destroyed and absorbed.
  • By 1824 he had defeated all clans in the region or absorbed […]
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