Energy, Flows, and Feedback's Flashcards

1
Q

Energy

A

The ability to do work or transfer energy

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2
Q

Joule

A

The amount of energy used when a 1-watt electrical device is turned on for 1 second

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3
Q

Electromagnetic radiation

A

A form of energy emitted by the sun that includes but is not limited to, visible light, ultraviolet light, and infrared energy

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4
Q

Photon

A

A mass less packet of energy that carries electromagnetic radiation at the speed of light

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5
Q

Potential Energy

A

Stored Energy that has not been released

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6
Q

Chemical energy

A

Potential energy stored in chemical bonds

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7
Q

Kinetic energy

A

The energy of motion

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8
Q

Temperature

A

The measure of the average kinetic energy of a substance

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9
Q

First law of thermodynamics

A

A physical law which states that energy can neither be created nor destroyed but can change from one form to another

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10
Q

Second law of thermodynamics

A

The physical law stating that when energy is transformed, the quantity of energy remains the same, but its ability to do work diminishes

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11
Q

Energy efficiency

A

The ratio of the amount of energy expanded in the form you want to the total amount of energy that is introduced into the system

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12
Q

Energy qualify

A

The ease with which an energy source can be used for work

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13
Q

Entropy

A

Randomness in a system

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14
Q
A
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