miércoles, 25 de enero de 2012

ENERGY CONVERSION

One type of energy can be converted into another type of energy.

- In a fan, electrical energy is transformed into mechanical energy.

- At a nuclear power station, nuclear energy is transformed into electrical energy.

- In a light bulb, electrical energy is converted into light energy and thermal energy.

- In a car engine, chemical energy is trnsformed twice: into thermal energy ( the engine becomes warm) and into mechanical energy ( the car moves).

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