Energy Transformation

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Presentation transcript:

Energy Transformation CRCT Prep

A light bulb changes electrical energy into A. light energy only. B. heat and mechanical energy. C. light and heat energy. D. light and mechanical energy.

What kind of energy transformation occurs when you turn on a vacuum cleaner? A. mechanical to electrical B. electrical to mechanical C. chemical to mechanical D. thermal to electrical

The major reason for burning gasoline in an automobile engine is to convert A. chemical energy to mechanical energy. B. kinetic energy to potential energy. C. radiation to electrical energy. D. thermal energy to electrical energy.

A. Heat energy changes into mechanical energy. Water that flows from behind a large dam can cause machines to produce electricity. What change takes place? A. Heat energy changes into mechanical energy. B. Sound energy changes into electrical energy. C. Chemical energy is used to produce electrical energy. D. Mechanical energy is used to produce electrical energy.

When a hair dryer is being used, one of the energy transformations that takes place is A. electrical to chemical. B. electrical to mechanical. C. mechanical to electrical. D. chemical to electrical.

Which of the following could best be used to demonstrate energy being transformed from electricity to heat? A. a magnifying glass B. a triple beam balance C. a toaster D. a gas oven

A burning candle is in the process of transforming A. heat energy to chemical energy. B. chemical energy into light and heat. C. chemical energy into mechanical energy. D. chemical energy to nuclear energy.

When an electric fan is running, most of the incoming electrical energy changes into which kind of energy? A. heat energy B. light energy C. mechanical energy D. sound energy