IB SL Physics Unit 8: Energy Production
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16 Terms
specific energy
work per unit mass
energy density
work per unit of area/volume
high
ideal power sources have [low/high] specific energy and energy density (like nuclear power)
incoming outgoing
on a Sankey diagram, the left is ____________ energy and the right is ____________ energy
heat light sound
the three major energy robbers
turbine
wind, hydro, and fossil fuels use a
electron
this subatomic particle is released in solar power cells, creating electrical energy
fission
method of nuclear power used today
fission fusion
two types of nuclear power
albedo
total scattered power over total incident power
blackbody
perfect emitter of electromagnetic radiation
temperature
everything with a _____________ emits radiation
greenhouse effect
the process by which Earth’s atmosphere is 18 degrees C warmer than expected due to specific glasses absorbing infrared radation
H20 C02 CH4 N20 CFC’s and 03
five major greenhouse gasses
N2
Earth’s atmosphere is 72%
02
Earth’s atmosphere is 21%
