ENERGY & ENERGY TRANSFORMATIONS

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What is energy?

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Energy is the ability to do work or cause change. It exists in various forms, such as kinetic, potential, thermal, and chemical energy.

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What is potential energy?

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Potential energy is the energy stored in an object due to its position or state. For example, a rock at the top of a hill has gravitational potential energy.

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What is kinetic energy?

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

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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 thermal energy?

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Thermal energy is the total kinetic energy of particles in a substance, which is related to its temperature.

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What is elastic potential energy?

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Elastic potential energy is the energy stored in elastic materials as the result of their stretching or compressing, such as in a rubber band.

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What is gravitational potential energy?

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Gravitational potential energy is the energy an object possesses because of its height above the ground, calculated as weight times height.

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How does energy transform in a light bulb?

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

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What is an example of energy transformation in a car?

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In a car, chemical energy from fuel is transformed into kinetic energy as the car moves.

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What is the difference between potential energy and kinetic energy?

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Potential energy is energy due to position, while kinetic energy is energy due to motion.

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