Energy Transformations

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What type of energy is transformed when a microwave oven is operated?

Back

Electrical energy is transformed into thermal energy, sound energy, and mechanical energy, but not solar energy.

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Can energy be created or destroyed?

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No, according to the Law of Conservation of Energy, energy cannot be created or destroyed.

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At which position does a roller coaster cart have the most gravitational potential energy?

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At the highest point of the track, often labeled as position W.

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What is the definition of energy?

Back

Energy is the ability to cause change.

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What does the Law of Conservation of Energy state?

Back

Energy cannot be created or destroyed; it can only be transformed from one form to another.

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What are the different forms of energy?

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Common forms of energy include kinetic, potential, thermal, chemical, electrical, and nuclear energy.

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What is kinetic energy?

Back

Kinetic energy is the energy of an object due to its motion.

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What is potential energy?

Back

Potential energy is the stored energy of an object due to its position or state.

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How does energy transformation occur in a light bulb?

Back

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

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What is an example of energy transformation in a battery-powered device?

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In a battery-powered device, chemical energy is transformed into electrical energy.