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Economic and management sciences

Grade 5

What affects my existence

Module 2

Levels of needs

Needs differ from one community to another, despite the fact that all of us have particular basic needs like food, water, clothing, shelter, etc.

  1. Come and meet:
  • Lives in Wynberg near Cape Town.
  • Distance to school: 13 km.
  • John uses a taxi to travel to and from school. His parents have bought him a cell phone so that he can contact them if he has a problem.

  • Lives on a farm near Montagu in the Western Cape.
  • The distance to her farm school is 1,25 km.
  • Although there is a bicycle on the farm, Kate prefers to walk to school. If she wants to contact her parents, she runs home quickly during her break.
  1. It is clear that John and Kate have different needs when it comes to getting to school. John is also far from home during the day and therefore needs a telephone when there is an emergency, while Kate is able to simply run home quickly.

To some extent, our immediate environment influences our direct needs.

  1. Use the following questions to compare yourself with a boy of the Khoi people who live in the Khoi reserve at Kagga Kamma.


Needs of the Khoi boy My needs

[LO 1.1]

How do the Khoi get what they need to survive? (Use your knowledge of Grade 4 history.)

What would you suggest as a reason for the drastic difference in your needs?

Make a list of the typical desires that each of you have (you may have to use your imagination).

Desires of the Khoi boy My desires

[LO 1.1]

It should be clear that your needs and desires differ greatly as a result of your direct environments. What would a boy among the Khoi do with a computer when he has no electricity, for instance? You, again, would use a calabash as a decoration rather than as a container for storing water.

Why do some people have more money than other people?

To earn money , you have to work. You could work for yourself (run your own business), or for someone else (your employer).

The cabinet-maker, Mr Logan,


and earns a monthly salary.

Mrs Hill sells

from her stall and works

for herself. Her income

depends on how many

flowers she sells.

People who have specialist skills and earn good money with their skills usually earn more money than people who have no special skills. The bricklayer on the building site, for instance, who can lay 1 000 bricks neatly per day, will earn more than the person who mixes the cement and transports the bricks in a wheelbarrow.

People who have studied for many years to master certain skills usually earn good salaries.

A medical doctor will earn more than a nurse, for instance, but the nurse will earn more that a street vendor.

We also come across creative people who design something new , make it and then patent it. As an example of this, we can name our own Mark Shuttleworth who wrote a software package and today is rated among the wealthiest people in the world. And all of this started in his parents’ garage!


LO 1

THE ECONOMIC CYCLE The learner is able to demonstrate knowledge and understanding of the economic cycle within the context of the economic problem.

We know this when the learner:

  • differentiates between the different levels of needs that people have, and explains how these might be satisfied


  • Allow discussion where necessary in order to formulate meaningful responses.

Questions & Answers

Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
what school?
biomolecules are e building blocks of every organics and inorganic materials.
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
sciencedirect big data base
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
how to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
characteristics of micro business
for teaching engĺish at school how nano technology help us
Do somebody tell me a best nano engineering book for beginners?
s. Reply
there is no specific books for beginners but there is book called principle of nanotechnology
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
what is the actual application of fullerenes nowadays?
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
is Bucky paper clear?
carbon nanotubes has various application in fuel cells membrane, current research on cancer drug,and in electronics MEMS and NEMS etc
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Do you know which machine is used to that process?
how to fabricate graphene ink ?
for screen printed electrodes ?
What is lattice structure?
s. Reply
of graphene you mean?
or in general
in general
Graphene has a hexagonal structure
On having this app for quite a bit time, Haven't realised there's a chat room in it.
what is biological synthesis of nanoparticles
Sanket Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Economic and management sciences grade 5. OpenStax CNX. Sep 05, 2009 Download for free at http://cnx.org/content/col10974/1.1
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