Substrand · Force and Energy · Integrated Science · Grade 7
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**Electrical Energy** - Electrical energy is energy produced by moving electric charges. - It is used to operate electrical appliances and devices. - It can change into other forms of energy, such as: - Heat energy - Light energy - Mechanical energy -…
**Sources of Electricity** **1. Biomass** - Biomass is organic material such as wood, crop waste and animal waste. - It can be burned to produce heat. - The heat boils water to produce steam. - The steam turns a turbine connected to a generator, producing…
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