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Summary Tegnologie opsommings (Graad 8)

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TEGNOLOGIE OPSOMMINGS

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  • October 29, 2020
  • 34
  • 2018/2019
  • Summary
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3  reviews

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By: karinarichter • 2 year ago

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By: bishop1 • 2 year ago

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By: hendrinanel • 2 year ago

Received documents immediately. info is clear and structured and easy to follow and understand

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By: miaolivier16 • 2 year ago

Thank you for the positive review! Appreciate it

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miaolivier16
TEG OPSOMMINGS
GRAAD 8




Hierdie werk is die intelektuele eiendom van opsommings.com
Dit mag nie versprei word nie.




KOPIEREG VOORBEHOU @2020




Opsommings.com – Kopiereg voorbehou ©2020

, Tegnologie Opsommings
Graad 8

DEFINISIE
Tegnologie: die gebruik van kennis, vaardighede en bronne om mense se
begeertes en behoeftes te voorsien en om probleme te herken en op te los
deur ondersoek; ontwerp en ontwikkeling en die evaluering van produkte,
prosesse en stelsels



Tegnologie aksies
1. ondersoek die probleem
2. ontwerp n oplossing vir die probleem
3. maak of bou die onnderwerp
4. evalueer die ontwerp



 Identifikasie: behoefte aan ontwerp herken
 Ontwerpopdrag: persone verskaf beperkende faktore (bv. koste /tyd)
 Denke: ontwerper kies oplossing - doel; bronne; metodes, evaluasie
 Navorsing: nodige hulp - handboeke; biblioteek; rekenaar
 Ontwikkel idees: sketse; aantekeninge; vloeidiagramme; ens.
- dit help on planne uit te werk
- bespreek dit met ander mense

Tegnologie - ontwikkeling
 Gottlieb Daimler: eerse petrolenjin
 Thomas Edison: gloeilamp
 Marconi: draadlose boodskap - 2700 km.



Opsommings.com – Kopiereg voorbehou ©2020

, Russiese ruimtewetenskaplikes : ruimtetuig in die ruimte ingestuur en
waardevolle dinge ontdek



STRUKTURE

Begripsverklarings

Sterkte: tot watter mate materiaal vorm sal behou
Taaiheid: vermoë om handelinge te verduur
Hardheid: harde materiale slyt nie maklik weg nie
Stewigheid: buig of kantel nie maklik nie
Breekbaarheid: hoe maklik materiaal splinter / bars
Buigbaarheid: verander vorm as materiaal gedruk / getrek word
Elastisiteit: materiaal sal terugkeer na oorspronklike vorm na gedruk of getrek
is
Geleidingsvermoë: hoe maklik elektrisiteit daardeur beweeg
Voorkoms: hoe materiaal lyk
Tekstuur: hoe materiaal voel
Opties: wanneer ons deur 'n voorwerp kan sien / wanneer die materiaallig
weerkaats
Strukture
 voorwerpe wat oor tyd ontwikkel het
 wat deur mense ontwerp is om kragte te weerstaan en hul eie gewig dra
 word ontwerp om take te verrig
 pas by hul take - bv. boomtakke laat blare in sonlig verskyn
- igloos kan stormwinde in sneeu trotseer




Opsommings.com – Kopiereg voorbehou ©2020

, Natuurlike strukture
 menslike geraamtes
 voëlneste
 eierdoppe
 vere
 skulpe



Mensgemaakte strukture
 geboue
 blikkies
 sakke
 meubels
 damme


Tipe strukture (3)
 Dopstrukture
 Raamstrukture
 Soliede strukture



Dopstrukture
 word aan buitekant ondersteun
 beskerm inhoud
 bv. slakskulpe, heuningkoeke, balle, blikkie, sakke


Raamstrukture
 word aan binnekant ondersteun


Opsommings.com – Kopiereg voorbehou ©2020

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