February 2025

Machines: Pulleys

By |2025-02-12T09:41:07+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

Wooden pulleys. Image credit wisegeek.com Wooden pulleys. Image credit wisegeek.com ZIMSEC O Level Combined Science Notes: Machines: Pulleys

  • A pulley is a basic device or machine made of a wheel with a rim that a chain/cord/rope fits around
  • A single fixed pulley as shown below is used to change the direction […]
Read More
Comments Off on Machines: Pulleys

Experiment: Food and Energy

By |2025-02-12T09:14:50+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

Burning food to to test its energy content Burning food to to test its energy content ZIMSEC O Level Combined Science Notes: Experiment: Food and Energy

Aim: Comparing the energy value of foods

Materials: burners, small containers/beakers to hold the water, food holders, thermometers, different types of starchy and fatty foods

Method

  1. Set up the apparatus […]
Read More
Comments Off on Experiment: Food and Energy

Reproduction in Humans

By |2025-02-12T09:31:34+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

A Zimbabwean family A Zimbabwean family ZIMSEC O Level Combined Science Notes: Reproduction in Humans

  • Human being produce sexually
  • The process involves the fusion (joining) of the nuclei (sex cells) of the male gamete (sperm)
  • and the female gamete (ovum)
  • To form a zygote
  • The human and female sexual organs take […]
Read More
Comments Off on Reproduction in Humans

Frederick Herzberg’s Two factor theory

By |2025-02-12T09:18:39+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

Engineer at work. Image credit ibtimes.com Engineer at work. Image credit ibtimes.com ZIMSEC O Level Business Studies Notes: How managers can use Maslow’s theory of motivation

  • Herzberg used questionnaires and interviews to ask professionals about factors that influence employee performance in the workplace
  • His conclusion was that employee performance is affected […]
Read More
Comments Off on Frederick Herzberg’s Two factor theory

Introduction to organisational structures

By |2025-02-12T09:31:48+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

Workers in a small business startup. Image credit businessinsider.com Workers in a small business startup. Image credit businessinsider.com

ZIMSEC O Level Business Studies Notes: Introduction to organisational structures

  • All businesses, no matter how small or big, are organisations
  • An organisation is a group of people brought together to fulfil a particular […]
Read More
Comments Off on Introduction to organisational structures

Autocratic Leadership style

By |2025-02-12T09:12:13+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

Uniformed services usually use an autocratic leadership style

ZIMSEC O Level Business Studies Notes: Autocratic Leadership style

  • Under this style of leadership there is an autocratic leader
  • The leader is an authoritarian i.e requires and expects strict obedience and authority
  • The leader is a dictator
  • The leader assumes all the […]
Read More
Comments Off on Autocratic Leadership style

The City of Mutare

By |2025-02-12T09:43:42+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

The city of Mutare. Image credit blogger.com

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

  • Mutare is the eastern gateway into Zimbabwe.
  • It has a male population of 34 648 and a female population of 31 534.
  • This bring the total population to 28 068 according to the 2012 […]
Read More
Comments Off on The City of Mutare

The structure of Great Zimbabwe:

By |2025-02-12T09:10:56+02:00February 12th, 2025|Notes, O Level History Notes, Ordinary Level Notes|

Great Zimbabwe Ruins

ZIMSEC O Level History Notes: Great Zimbabwe state (Kingdom): The structure of Great Zimbabwe

  • The structure is found in south-east Zimbabwe near Masvingo
  • The Shona name for the ruins is Dzimbabwe (variations of the name include Dzimbahwe, Zimboa/Symbaoe[Portuguese sources])
  • The names means ‘houses of stone’ or ‘house of stone’
  • It was […]
Read More
Comments Off on The structure of Great Zimbabwe:

Internal Migrations

By |2025-02-12T09:20:29+02:00February 12th, 2025|Notes, O Level History Notes, Ordinary Level Notes|

Commuters are part of internal migrations

ZIMSEC O Level Geography Notes: Migration: Internal Migrations

  • These are migrations within the same country for example from Masvingo to Harare
  • For example in Zimbabwe people move from one area to another for varying durations of time
  • The table below shows some common push and pull […]
Read More
Comments Off on Internal Migrations
Toggle Sliding Bar Area
Go to Top