Energy Flashcards

1
Q

Active collection

A

The use of devices, such as solar panels, to collect, focus, transport, or store solar energy

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2
Q

Anthracite

A

The cleanest-burning coal; almost pure carbon

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3
Q

Barrels

A

The unit used to describe the volume of fossil fuels

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4
Q

Bituminous

A

The second purest form of coal

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5
Q

Breeder Reactor

A

A nuclear reactor that generates more fissionable material than it consumes

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6
Q

Crude Oil

A

The form pertroleum takes when in the ground

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7
Q

Energy

A

The capacity to do work

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8
Q

Fission

A

A nuclear reaction in which an atomic nucleus, especially a heavy nucleus such as an isotope of uranium, splits into fragments, usually two fragments of comparable mass, releasing from 100 million to several hundred million electron volts of energy

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9
Q

Fossil Fuel

A

A hydrocarbon deposit, such a petroleum, coal, or natural gas, derived from living matter of a previous geologic time and used for fuel

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10
Q

First Law of Thermodynamics

A

The law that states that energy can neither be created nor destroyed; it can only be transferred and transformed

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11
Q

Fly Ash

A

A waste product produced by the burning of coal

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12
Q

Half-life

A

The amount of time it takes for half of a radioactive sample to degrade

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13
Q

HUbbert peak (peak oil)

A

An influential theory that concerns the long-term rate of conventional oil (and other fossil fuel) extraction and depletion; it predicts that future world oil production will soon reach a peak and then rapidly decline

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14
Q

Hydroelectric Power

A

Power generated using water

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15
Q

Kinetic Energy

A

The energy of motion

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16
Q

lignite

A

The least pure coal

17
Q

Nuclear Fission

A

A nuclear reaction in which two nuclei are fused to form one or more different atomic nuclei (and subatomic particles)

18
Q

Overburden

A

The rocks and Earth that are removed when strip mining for a commercially valuable mineral resource

19
Q

Passive Solar Energy Collection

A

The use of building materials, building placement, and design to passively collect solar energy that can be used to keep a building warm or cool

20
Q

Pea Oil

A

Hubbert Oil

21
Q

Petroleum

A

Oil; a hydrocarbon that forms as sediments are buried and pressurized

22
Q

Photovoltaic Cell (PV cell)

A

A semiconductor device that converts the energy of sunlight into electrical energy

23
Q

Potential Energy

A

Energy at rest, or stored energy

24
Q

Proven Reserve

A

An estimate of the amount of fossil fuel that can be obtained from reserve

25
Q

Radiant Energy

A

Sunlight

26
Q

Radioactive

A

Material that underoes radioactive decay, a process by whcih unstable nuclei emit energy over time as particles or photons

27
Q

Scrubbers

A

Devices containing alkaline substances that precipitate out much of the sulfur dioxide from industrial plants’ air effluent

28
Q

Second Law of Thermodynamics

A

The law that states that the entropy (disorder) of the universe is increasing; one corollary of the Second Law of Thermodynamics is the concept that, in most energy transformations, a significant fraction of energy is lost to the universe as heat

29
Q

Strip Mining

A

Involves the removal of Earth’s surface all the way down to the level of the mineral seam

30
Q

Subbituminous

A

The third purest form of coal

31
Q

Underground Mining

A

Involves the sinking of shafts to reach underground deposits; in this type of mining, networks of tunnels are dug or blasted, and humans enter these tunnels in order to manually retrieve the coal

32
Q

Wind Farm

A

A group of modern turbines