Quiz: Solar Energy: 2019 Summer B - BIO130: Intro to Environmental Science
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I did some online researches and found out that black objects absorb the
light while white objects reflect all the light. Therefore, the black cup will be
hotter than the white cup.
Not yet graded / 10 pts
Question 2
Upload a picture of your solar energy experiment here! Make sure your name
is IN the picture.
If you worked with (a) lab partner(s), please make sure all of the names in
your group are in the picture. Each member of the group may upload the
same picture.
IMG_3296.jpg
()
2 / 2 pts
Question 3
The cost of electricity produced by PV cells has increased since the 1980s.
True
False
2 / 2 pts
Question 4
The units of kWh (kiloWatt hours) are used when measuring ___________.

28/7/2019
Quiz: Solar Energy: 2019 Summer B - BIO130: Intro to Environmental Science
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the amount of power, or the potential to deliver energy
the amount of energy used/consumed
the amount of time that a customer has been consuming energy
the amount of energy it takes to move a 1 kg mass
a property that only exists in science fiction movies
The units of kWh are used to describe the amount of energy
used/consumed.
The units of kW are used to describe power, and
can be converted to energy by multiplying by the time over which the
power was applied.
In other words, kWh = kW x hours.


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