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Match it!
Match it! Select the correct answer from the pull down...Good luck!
Carl eats a chocolate chip cookie and then climbs up a set of stairs. In doing so the cookie is transformed into ____________ energy.
producers
electrical
electric to thermal to sound
both potential and kinetic
80%
150 J
decrease
the sun
An iPod completes the following conversions:
producers
electrical
electric to thermal to sound
both potential and kinetic
80%
150 J
decrease
the sun
As you move up through the levels of the energy pyramid, the amount of usable energy:
producers
electrical
electric to thermal to sound
both potential and kinetic
80%
150 J
decrease
the sun
Where does the energy used to drive the water cycle comes from
producers
electrical
electric to thermal to sound
both potential and kinetic
80%
150 J
decrease
the sun
Batteries are devices that change chemical energy to ______ energy
producers
electrical
electric to thermal to sound
both potential and kinetic
80%
150 J
decrease
the sun
A car engine is only 33% efficient, if the car requires 456 J of work to operate, what is the car’s work output?
producers
electrical
electric to thermal to sound
both potential and kinetic
80%
150 J
decrease
the sun
Calculate the overall efficiency of a device that uses two different processes with efficiencies of 80% and 15 %
producers
electrical
electric to thermal to sound
both potential and kinetic
80%
150 J
decrease
the sun
The organisms at the bottom of the food chain (food pyramid) are:
producers
electrical
electric to thermal to sound
both potential and kinetic
80%
150 J
decrease
the sun
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