Energy Transformations

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What is potential energy?

Back

Potential energy is the energy stored in an object due to its position or state. For example, a swing at the highest point has potential energy.

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What is kinetic energy?

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Kinetic energy is the energy of an object in motion. The faster an object moves, the more kinetic energy it has.

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Front

What happens to energy when a swing is at rest?

Back

When a swing is at rest, it has potential energy because it is at a height.

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What device transforms electrical energy into mechanical energy?

Back

A fan transforms electrical energy into mechanical energy.

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What energy transformation occurs in a lamp?

Back

In a lamp, electrical energy is transformed into light energy.

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What energy transformations occur in a battery-operated radio?

Back

In a battery-operated radio, chemical energy is transformed into electrical energy, which is then transformed into sound energy.

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What type of energy transformation occurs when a hawk eats a mouse?

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When a hawk eats a mouse, chemical energy from the mouse is transformed into mechanical energy for flying.

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What is the law of conservation of energy?

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The law of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another.

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What is an example of energy transformation in a car?

Back

In a car, chemical energy from fuel is transformed into mechanical energy to move the car.

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What is thermal energy?

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Thermal energy is the energy that comes from the temperature of matter. It is the total kinetic energy of particles in an object.

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