Potential and Kinetic 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.

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NGSS.MS-PS3-2

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What is kinetic energy?

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Kinetic energy is the energy of an object in motion.

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How does height affect potential energy?

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The higher an object is, the more potential energy it has due to the gravitational force acting on it.

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What happens to potential energy when an object falls?

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As an object falls, its potential energy decreases while its kinetic energy increases.

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What is the formula for calculating gravitational potential energy?

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Gravitational potential energy (PE) can be calculated using the formula PE = mgh, where m is mass, g is the acceleration due to gravity, and h is height.

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NGSS.MS-PS3-4

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What is the relationship between speed and kinetic energy?

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Kinetic energy increases with the square of the speed; if speed doubles, kinetic energy increases by a factor of four.

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What type of energy does an object have when it is at rest at a height?

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An object at rest at a height has potential energy.

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NGSS.MS-PS3-2

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What is an example of an object with high potential energy?

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A book placed on a high shelf has high potential energy due to its height.

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What is an example of an object with high kinetic energy?

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A moving car has high kinetic energy due to its speed.

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NGSS.MS-PS3-1

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What is the principle of conservation of energy?

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

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