Potential & Kinetic 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 its velocity.

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NGSS.MS-PS3-1

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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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How does the speed of an object affect its Kinetic Energy?

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Kinetic Energy increases with the square of the speed. If the speed doubles, the Kinetic Energy increases by four times.

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NGSS.MS-PS3-1

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What is an example of Kinetic Energy?

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A moving car, a flowing river, or a thrown ball are all examples of Kinetic Energy.

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NGSS.MS-PS3-1

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What is an example of Potential Energy?

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A rock held at the top of a hill, a stretched rubber band, or water stored in a dam are examples of Potential Energy.

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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, conserving the total mechanical energy.

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NGSS.MS-PS3-2

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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 mass x gravity x height.

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NGSS.MS-PS3-2

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What is the formula for Kinetic Energy?

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The formula for Kinetic Energy (KE) is KE = 1/2 mv², where m is mass and v is velocity.

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

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What is the relationship between Kinetic and Potential Energy in a roller coaster?

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In a roller coaster, Potential Energy is highest at the top of the hills, and Kinetic Energy is highest at the lowest points.

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NGSS.MS-PS3-2

NGSS.MS-PS3-5

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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.