Kinetic and Potential Energy

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What is Kinetic Energy?

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Kinetic Energy is the energy an object possesses due to its motion. It depends on the mass of the object and the speed at which it is moving.

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What is Potential Energy?

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Potential Energy is the stored energy in an object due to its position or state. It can be gravitational, elastic, or chemical.

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NGSS.MS-PS3-2

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What happens to Potential Energy as an object falls?

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As an object falls, its Potential Energy decreases while its Kinetic Energy increases.

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NGSS.MS-PS3-5

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What type of energy is greatest at the highest point of a hill?

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At the highest point of a hill, Potential Energy is greatest.

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NGSS.MS-PS3-2

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What type of energy is greatest when an object is moving at its fastest?

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When an object is moving at its fastest, Kinetic Energy is greatest.

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How is Kinetic Energy calculated?

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Kinetic Energy (KE) is calculated using the formula: KE = 1/2 mv², where m is mass and v is velocity.

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What is Gravitational Potential Energy?

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Gravitational Potential Energy is the energy an object has due to its height above the ground, calculated as PE = mgh, where m is mass, g is acceleration due to gravity, and h is height.

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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 boulder at the top of a hill has high Potential Energy due to its elevated position.

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NGSS.MS-PS3-2

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What is an example of an object with high Kinetic Energy?

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A speeding car has high Kinetic Energy due to its motion.

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NGSS.MS-PS3-1

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What happens to the energy of a roller coaster at the top of a hill?

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At the top of a hill, the roller coaster has maximum Potential Energy and minimum Kinetic Energy.

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