energy sciencie
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1. LIST THREE examples each of:
(i) Wind Energy Resources ______________________
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(ii) Solar Energy Resources ______________________
______________________
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2. A building has 12 classrooms. Each classroom requiring 550 KW of electricity per hour.
(a) Using solar power for 50% of the classrooms for one week, how wide should two
six feet long solar panels be in order to supply the needed amount of electricity
to the classrooms. ( Solar power: 1.0 KW / m2 )
(b) Using nuclear power to supply electricity to 50% of the classrooms for three weeks,
how much uranium 238 is needed to supply this amount of electricity.
( Nuclear power : 440 KW / 1mg of uranium )
3. What is the TOTAL COST of providing electricity to ALL the classrooms for one month
if (i) solar panels cost $20 per m2 and (ii) uranium costs $95 per pound (1.0 pound= 454 g)
4. Give the name and formula of TWO uses for each of the following:
(a) solar energy ____________ __________________
____________ __________________
(b) nuclear energy ___________ __________________
____________ __________________
(c) coal ___________ __________________
___________ __________________
___________ _____________
5. Draw a DETAILED DIAGRAM of a car battery. Outline ALL the steps of how it works.
