R28.75

Resource Description

Graad 7 Kwartaal 3 Tegnologie Opsomming

– Wat is magnetisme?

– Permanente magnete

– Materiale wat deur magnete aangetrek word of nie

– Herwinning

– Eenvoudige elektriese stroombane

– Elektromagnete

– Meganiese stelsels en beheer

– Wat is meganiese voordeel?

– Versterking van raamstrukture

– Hyskrane

– Skuinsprojeksie 3D

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