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Aardrykskunde

Graad 4

Voedselproduksie

Module 24

Voedselgewasse

Suid-Afrika se vrugbare grond en die harde werk van die boere help dat groot hoeveelhede voedselgewasse vir eie gebruik en ook vir uitvoer na ander lande

geproduseer word.

Aktiwiteit 1

Om ‘n vraelys oor die verspreiding van vrugte- en graanboerdery in suid-afrika te voltooi [lu 1.1]

Watter van hierdie voedselsoorte het jy hierdie week geëet?

Watter van hierdie produkte word in jou provinsie verbou?

In watter provinsie word hoofsaaklik suiker verbou?

In watter provinsie word daar weinig produkte verbou? (Verskaf redes hiervoor te verskaf.)

Noem drie provinsies waarin koring verbou word.

Aktiwiteit 2

Om ‘n navorsingstaak aan die hand van ‘n stel kriteria te voltooi [lu 3.3]

Kies uit die lys produkte in die aktiwiteit op die vorige bladsy een wat aan jou die bekendste is en voltooi ‘n navorsingstaak aan die hand van die volgende stel kriteria. Stel jou navorsingsresultate voor op ‘n plakkaat of in bundelvorm.

DIE GEWAS VAN MY KEUSE:

  • Ligging van boerdery / plaas in Suid-Afrika (kan ook kaart gebruik)
  • Rede vir ligging (reënval, klimaat, watervoorsiening, afstand van verbruiker, plantegroei)
  • Grootte van plaas
  • Uitleg van plaas (skets)
  • Seisoengebonde aktiwiteite (bv. bewerk grond in winter, saai in herfs, ens.)
  • Prosesse in die verwerking van die geoeste produk
  • Finale verwerkte produkte soos op winkelrakke (voorbeelde van verpakking)
  • Belang van hierdie boerdery vir Suid-Afrika (ekonomies / werkverskaffing )

Assessering

Leeruitkoms 1: aardrykskundige ondersoek

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

Assesseringstandaard

Dis duidelik wanneer die leerder

1.1 inligting uit verskillende bronne identifiseer (kaarte) [vind bronne].

Leeruitkoms 3: verkenning van vraagstukke

Die leerder is in staat om ingeligte besluite oor sosiale en omgewingsvraagstukke en –probleme te neem.

Assesseringstandaard

Dis duidelik wanneer die leerder

3.3 voorstelle maak oor hoe toegang tot hulpbronne in ‘n spesifieke konteks verbeter kan word.

Memorandum

Die verspreiding van vrugte- en graanboerdery in Suid-Afrika

  • KwaZulu Natal
  • Noord-Kaap – droog
  • Wes-Kaap
  • Oos-Kaap
  • Vrystaat

Questions & Answers

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
Do somebody tell me a best nano engineering book for beginners?
s. Reply
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
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.
Virgil
is Bucky paper clear?
CYNTHIA
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.
Harper
Do you know which machine is used to that process?
s.
how to fabricate graphene ink ?
SUYASH Reply
for screen printed electrodes ?
SUYASH
What is lattice structure?
s. Reply
of graphene you mean?
Ebrahim
or in general
Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
On having this app for quite a bit time, Haven't realised there's a chat room in it.
Cied
what is biological synthesis of nanoparticles
Sanket Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
China
Cied
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
Porter
many many of nanotubes
Porter
what is the k.e before it land
Yasmin
what is the function of carbon nanotubes?
Cesar
I'm interested in nanotube
Uday
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
AMJAD
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
good afternoon madam
AMJAD
what is system testing
AMJAD
what is the application of nanotechnology?
Stotaw
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
Azam
anybody can imagine what will be happen after 100 years from now in nano tech world
Prasenjit
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
Azam
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
Prasenjit
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
Damian
silver nanoparticles could handle the job?
Damian
not now but maybe in future only AgNP maybe any other nanomaterials
Azam
Hello
Uday
I'm interested in Nanotube
Uday
this technology will not going on for the long time , so I'm thinking about femtotechnology 10^-15
Prasenjit
can nanotechnology change the direction of the face of the world
Prasenjit Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Mueller Reply
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Source:  OpenStax, Aardrykskunde graad 4. OpenStax CNX. Oct 21, 2009 Download for free at http://cnx.org/content/col11083/1.2
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