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Summary Graad 8 Tegnologie (TEG) Opsommings - Kwartaal 2 (VANDAG)

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Graad 8 Tegnologie (TEG) Opsommings - Kwartaal 2 bevat die volgende: Hoofstuk 4:  Nuwe en verbeterde materiale Eenheid 1:  Die positiewe impak van tegnologie op die samelewing en die omgewing Hoofstuk 5:  Herwin afvalpapier en -karton Eenheid 1:  Tegnologie met ‘n positiewe impak op die samelewing Eenheid 2:  Verpakking

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Summaries after sample

, Nuwe materiale vir ons
Kerwinbare, bioafbreekbare materiale energiebehoeftes
Die skuif van natuurlike Die kwessie van kernkrag
na sintetiese materiale • Beskadig die gesondheid van die werkers
• Sintetiese materiale kan vinniger as natuurlike en is uiters gevaarlik om weg te gooi.
materiale vervaardig word. • Afval word dikwels in arm lande gestort.
• Sintetiese materiale kan meer elasties, sterker
en meer duursaam wees.
• Kan gebruik word om waterdigte, winddigte en
Omgewingsvriendelike son-
vuurvaste materiaal te maak. H4: Nuwe en
en windenergie

Sample Plastiek is ‘n sintetiese materiaal
• Sterk en kan op baie maniere gevorm word.
verbeterde materiale


Son- en windenergie is omgewingsvriendelik.
Hernubare energiebron.


• Bioafbreekbare plastiek bestaan uit


Summaries after sample
bioplastiek – gemaak van hernubare
grondstowwe of petroleumgebasis-materiale
met bymiddels.
Skryf ‘n verslag
• Identifiseer en kontroleer sleutelwoorde.
Plastiek: gerieflik en ‘n • Stel jou doel vas.
probleem • Stel 'n rowwe plan op.
• Gebruik 'n logiese volgorde.
• Plastiek het hout-, karton-, glas- en • Besluit op visuele elemente, foto's en
metaalverpakking vervang. diagramme.
• Plastiek is goedkoper, ligter en meer duursaam. • Kry 'n effektiewe gevolgtrekking.
• Plastiek is nie bioafbreekbaar nie – vaste afval.




GR8 TEG H4 Breinkaart Vandag Kopiereg © www.summariessa.co.za (DO NOT COPY)

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