R28.75

Resource Description

Graad 7 Kwartaal 3 Natuurwetenskappe Opsomming

– Nie-hernubare energiebronne

– Hernubare energiebronne

– Potensiële energie

– Kinetiese energie

– Energiestelsels en die wet van energiebewaring

– Hitte-oordrag

– Elektriese stroombane

– Stroombaandiagramme

– Elektriese geleiers en isoleerders

– Isolasie en energiebesparing

– Energie-oordrag na die omliggende omgewing

– Die nasionale elektrisiteitstoevoerstelsel

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