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Grade 4

Food production in south africa

Module 20

The story of food

The story of food

Food is an important part of our everyday lives. We need food to grow, stay healthy and to stay alive. But there are people whose lives are only focused on food – they live to eat!

Before we look at how food is produced in the 21 st century, it is important to find out how our predecessors managed to put food on their plates from day to day.

Activity 1

To study illustrations and fill in missing words in a paragraph to complete a story about food [lo 2.3]


(possible answers: trade; hunter; herdsmen; wild plants; plough; meat; farmers)

Many years ago, the food that people ate was very different from the food we eat. At first, people lived as .........................................- gatherers who moved from place to place looking for animals to hunt for food. They lived in temporary shelters and when game became less plentiful, they moved to another place. They ate .......................................................... that they picked, with their meat. Their drinking water was gathered by catching rain or dew, or by fetching it from rivers or dams.

The hunters began gathering sheep and goats and herds of cattle, and so became .............................. who travelled around with their own flocks in search of good grazing. They had milk and ...................................... and did not need to hunt.

The herdsmen became ...........................................… They lived in one place where they could grow their own grain from the seeds of wild grasses. They lived in small groups near fresh water. They invented the ................................... to help them work the land. They found new ways to transport water to their lands (irrigation). Some of the communities expanded and experimented with different food crops, like maize, sorghum, pumpkins, squashes, wild watermelons, etc.

Portions of the harvests were put away to ensure that they would have food for the whole year and some crops were taken to nearby villages to ........................... it for other food or products.

Farming methods changed with the development of technology. The wooden ploughs of the past were replaced with iron ploughs. Instead of being pushed by people, up to twenty ploughs can nowadays be pulled by one air-cooled tractor.


Learning outcome 2: geographical knowledge and understanding

The learner will be able to demonstrate geographical and environmental knowledge and understanding.

Assessment standard

We know this when the learner:

  • describes how basic human needs were met in the past and at present.


The story of food

  • Hunter
  • Fruit and seeds
  • Wild plants
  • Herdsmen
  • Meat
  • Farmers
  • Plough
  • Trade

Questions & Answers

what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
How we are making nano material?
what is a peer
What is meant by 'nano scale'?
What is STMs full form?
scanning tunneling microscope
how nano science is used for hydrophobicity
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
what is differents between GO and RGO?
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
The nanotechnology is as new science, to scale nanometric
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
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
How can I make nanorobot?
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
how can I make nanorobot?
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.
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Geography grade 4. OpenStax CNX. Sep 17, 2009 Download for free at http://cnx.org/content/col11084/1.1
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