IB SL Physics Unit 8: Energy Production

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16 Terms

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specific energy

work per unit mass

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energy density

work per unit of area/volume

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high

ideal power sources have [low/high] specific energy and energy density (like nuclear power)

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incoming outgoing

on a Sankey diagram, the left is ____________ energy and the right is ____________ energy

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heat light sound

the three major energy robbers

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turbine

wind, hydro, and fossil fuels use a

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electron

this subatomic particle is released in solar power cells, creating electrical energy

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fission

method of nuclear power used today

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fission fusion

two types of nuclear power

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albedo

total scattered power over total incident power

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blackbody

perfect emitter of electromagnetic radiation

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temperature

everything with a _____________ emits radiation

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greenhouse effect

the process by which Earth’s atmosphere is 18 degrees C warmer than expected due to specific glasses absorbing infrared radation

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H20 C02 CH4 N20 CFC’s and 03

five major greenhouse gasses

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N2

Earth’s atmosphere is 72%

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02

Earth’s atmosphere is 21%

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