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Sosiale wetenskappe: geskiedenis

Graad 8

Grond en mag

Module 8

Industrialisasie in suid-afrika

Suid-Afrika beskik oor ‘n geweldige mineralerykdom. Goud, diamante en platinum en noodsaaklike basismetale soos koper, tin, yster, lood en sink word ontgin. Die mynbou-sektor is dus ‘n belangrike bron van werkskepping. Die enigste ander land met so ‘n omvangryke verskeidenheid minerale en metale soos Suid-Afrika is die uitgestrekte Rusland.

Die Ontdekking van Goud en Diamante in Sa

Teen die middel van die negentiende eeu was die gebiede wat Brittanje in Suid-Afrika gekoloniseer het, vir die Britte ‘n ekonomiese las. Droogtes in die Kaapkolonie; gevegte in die Oranje-Vrystaat met die Basoeto’s en swak binnelandse markte in die ou ZAR (Transvaal) het daartoe gelei dat die Britte hul beheer oor hierdie gebiede beëindig het deur die ondertekening van die Sandrivierkonvensie in 1852 met Transvaal en die Bloemfonteinkonvensie in 1854 met die OVS.

Die ontdekking van goud in 1868, noord van die Limpopo-rivier, by Tati het aanvanklik nie veel aandag getrek nie, want in 1867 is die eerste diamant naby Hopetown ontdek. Hierdie diamante was spoeldiamante, wat in die spoelgrond langs die riviere aangetref is.

Weerskante van die Vaalrivier is meer diamante gevind wat gelei het tot ‘n grootskaalse instroming van delwers. Die delwers kon nie met Pretorius, die president van die ZAR oor hul regte ooreenkom nie en het hul eie delwersrepubliek by Klipdrif uitgeroep.

In 1870 en 1871 is diamante verder van die Vaalrivier af, eers by Dutoitspan (later Kimberley) en toe by Vooruitzicht ontdek. Hierdie droë delwerye het bekend geword as die grootste diamantvondste in die wêreld en buitelanders het nou op die gebied toegesak. Konflik tussen die verskillende aanspraakmakers op die diamant­grond, naamlik die republieke, die kolonies en die inboorlingkaptein was onvermydelik.

Alhoewel J.H. Davis al in 1852 die eerste goud in die bekende Witwatersrand op ‘n plaas naby Krugersdorp ontdek het, het die ZAR-regering hom gedwing om stil te bly daaroor. Verskillende ander goudvondste is gemaak, soos die vonds van Walker en Harrison op die plaas Langlaagte. Eers in 1886 was dit duidelik dat hierdie vonds die hoofgoudrif van die Witwatersrand was.

Die dorp Johannesburg het ontwikkel op die plaas Randjeslaagte. Transportryers kon nie tred hou met die vervoer van mense en goedere nie, gevolglik is spoorlyne aangelê. Johannesburg is in 1892 deur middel van ‘n spoorlyn verbind met Kaapstad en in 1895 met Durban.

Aktiwiteit 1: tydoefening

  • Trek nou ‘n TYDLYN waarop jy die gebeure op die Suid-Afrikaanse diamant- en goudvelde wat hier bespreek is, aandui. Gaan soos volg te werk:

a) Skryf die woord TYDLYN en waaroor die tydlyn handel, bo-aan.

b) RANGSKIK eers die DATUMS in CHRONOLOGIESE VOLGORDE.

c) SKRYF nou die DATUMS onder mekaar neer.

d) VUL nou slegs die GEBEURE wat op die datums betrekking het, langs elke datum in. Sorg vir volledigheid.

LU 1.2 LU 1.4 LU 1.5 LU 2.1 LU 2.2

Aktiwiteit 2: bron a en b

  • Lees die volgende twee bronne noukeurig deur en beantwoord dan die vrae wat volg.

Questions & Answers

where we get a research paper on Nano chemistry....?
Maira Reply
nanopartical of organic/inorganic / physical chemistry , pdf / thesis / review
Ali
what are the products of Nano chemistry?
Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
learn
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
learn
Google
da
no nanotechnology is also a part of physics and maths it requires angle formulas and some pressure regarding concepts
Bhagvanji
hey
Giriraj
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
revolt
da
Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
Nasa has use it in the 60's, copper as water purification in the moon travel.
Alexandre
nanocopper obvius
Alexandre
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
if virus is killing to make ARTIFICIAL DNA OF GRAPHENE FOR KILLED THE VIRUS .THIS IS OUR ASSUMPTION
Anam
analytical skills graphene is prepared to kill any type viruses .
Anam
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
Hafiz
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
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Geskiedenis graad 8. OpenStax CNX. Sep 12, 2009 Download for free at http://cnx.org/content/col11043/1.1
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