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Aardrykskunde

Graad 5

Bevolking: verspreiding en digtheid in die rsa

Module 24

Konsepverklarings

Bevolking: Dit verwys na die mense wat in ‘n spesifieke area (dorp / streek / stad / provinsie / land / wêrelddeel) bly.
Bevolkingsverspreiding: Waar die mense binne ‘n spesifieke gebied bly.
Bevolkingsdigtheid: Hoeveel mense in die spesifieke area bly.

Om die bevolkingsdigtheid van ‘n gebied/land te bereken, neem jy die totale bevolking van die gebied/land en deel dit deur die totale oppervlak (in vierkante kilometer) van die gebied/land. Die antwoord wat jy kry dui dan aan hoeveel mense daar gemiddeld per een vierkante kilometer in die gebied/land bly.

Een vierkante kilometer is ‘n vierkantige area van 1 km by 1 km:

Van bo gesien:

Digbevolk en ylbevolk

Baie mense per km2 en min mense per km2

Aktiwiteit 1

Om die bevolkingsdigtheid van suid-afrika te bereken

[lu 1.1]

Gebruik die volgende statistiek, jou sakrekenaar en die formule op bl. 3 en bereken die bevolkingsdigtheid van Suid-Afrika en Indië onderskeidelik. Rond jou antwoorde af tot die naaste heelgetal.

Bevolking van Suid-Afrika (volgens 1960-sensus): 41 miljoen (afgerond).

Oppervlak van Suid-Afrika : 1 219 090 km2 (afgerond).

Bevolking van Indië (volgens 2001-sensus): 1 029 miljoen (afgerond).

Oppervlak van Indië: 3 174 723 km2 (afgerond).

Watter afleiding kan jy maak as jy die bevolkingsdigtheidsyfers van Suid- Afrika met die van Indië vergelyk?

Dit is belangrik om te onthou dat bogenoemde syfers slegs gemiddeldes is. Daar is dele in Suid-Afrika (en Indië) waar daar meer of minder mense per km2 woon.

Aktiwiteit 2

Om ‘n sensusopname te voltooi en grafies voor te stel

[lu 1.3; 1.7]

Hou ‘n sensusopname in jou klas/graad.

Stel ‘n vraelys op met ongeveer 10 vrae wat geskik is vir ‘n sensusopname.

bv.

0 – 20

20 – 30

30 – 50

50+

In watter tipe woning woon jy?

woonstel

dorpshuis

huis op aparte erf

ander

Watter van die volgende artikels is in jou huis beskikbaar?

televisie

radio

mikrogolf

rekenaar

kamera

internet

selfoon

satelliettelevisie

Jou vrae moet op die breë publiek gemik wees, en nie net op die plaaslike bevolking nie.

Nadat die sensusopname deur jou klas/graad voltooi is, verwerk die inligting en stel dit op skrif. Bv. 30% besit televisies / 28% het toegang tot internet / 90% het selfone, ens.

Aktiwiteit 3

Om bevolkingsgetalle te interpreteer en grafies voor te stel

[lu 1.7]

Die volgende syfers verteenwoordig die grootte van die verskillende bevolkingsgroepe in Suid-Afrika volgens die uitslag van die 1996-sensusopname:

Totale bevolking: 40,6 miljoen
Afrikane: 31,1 miljoen
Wit: 4,4 miljoen
Gekleurdes: 3,6 miljoen
Indiërs: 1,1 miljoen
Ander: 0,4 miljoen

Stel die bevolkingsamestelling vir 1996 grafies voor.

Stel nou een van die kriteria (vrae) grafies voor m.b.v. ‘n sirkeldiagram.

Assessering

LU 1

AARDRYKSKUNDIGE ONDERSOEK

Die leerder is in staat om ondersoekvaardighede te gebruik om aardrykskundige en omgewingsbegrippe en prosesse te ondersoek.

Dit is duidelik wanneer die leerder:

bronne met nuttige aardrykskundige inligting kan kies en gebruik [vind bronne];

tussen feite en menings onderskei [werk met bronne];

inligting kategoriseer [werk met bronne];

1.6 moontlike oplossings vir probleme identifiseer en ondersoek [beantwoord die vraag];

1.7 deur projekte, bespreking, debat en diagramme, kennis en begrip van die vraagstuk toon [dra die antwoord oor].

Questions & Answers

what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
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
Rafiq
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
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
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
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.
Bharti
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
Daniel
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
Maciej
characteristics of micro business
Abigail
for teaching engĺish at school how nano technology help us
Anassong
How can I make nanorobot?
Lily
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
NANO
how can I make nanorobot?
Lily
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
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.
Tarell
what is the actual application of fullerenes nowadays?
Damian
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.
Tarell
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Sosiale wetenskappe: aardrykskunde graad 5. OpenStax CNX. Sep 22, 2009 Download for free at http://cnx.org/content/col10985/1.2
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