R28.75

Resource Description

Grade 7 Term 3 Natural Sciences Summary

– Non-renewable energy sources

– Renewable energy sources

– Potential energy

– Kinetic energy

– Energy systems and the law of conservation of energy

– Heat transfer

– Electric circuits

– Circuit diagrams

– Electrical conductors and insulators

– Insulation and energy saving

– Energy transfer to the surrounding environment

– The national electricity supply system

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