Energy Transformations

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What is Energy Transformation?

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Energy transformation is the process of changing energy from one form to another, such as converting chemical energy into electrical energy.

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NGSS.MS-PS3-5

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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 can never be created nor destroyed; it can only change its form.

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NGSS.HS-PS3-3

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What type of energy transformation occurs in a flashlight?

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Chemical energy is transformed into electrical energy, which is then transformed into light energy.

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What is Mechanical Energy?

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Mechanical energy is the sum of potential energy and kinetic energy in an object, which is used to do work.

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NGSS.MS-PS3-1

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NGSS.MS-PS3-5

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How is Electrical Energy transferred?

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Electrical energy is transferred through conductors, such as wires, to power devices.

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What is an example of energy transformation in a pencil sharpener?

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In a pencil sharpener, electrical energy is transformed into mechanical energy (to rotate the blades) and then into sound energy.

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What happens to energy in a hydroelectric dam?

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In a hydroelectric dam, mechanical energy from falling water is transformed into electrical energy, which can then be used as light energy.

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NGSS.HS-PS3-3

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What is Chemical Energy?

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Chemical energy is the energy stored in the bonds of chemical compounds, like food or fuel.

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What is an example of energy transformation in a light bulb?

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

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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, such as water behind a dam.

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NGSS.MS-PS3-2