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ANSWERS
Intermediate Energy Infobook Activities
Renewables and Nonrenewables
28.196 Q = 29.0 % 15.549 Q = 16.0 % 8.337 Q = 8.6 % 4.734 Q = 4.9 % 2.321 Q = 2.4 % 1.777 Q = 1.8 % 0.638 Q = 0.7 % 97.155 Q = 100.00%
Natural Gas*
Coal
Uranium
Biomass
Hydropower
Wind
Geothermal and Solar
Total Quad BTUs
*Does not equal 100% due to rounding
90.2% Nonrenewables
9.8% Renewables
35.603 Q = 36.6 %
Petroleum*
Students should calculate the total number of quads to be 97.155 Q. To find each percentage, have them divide each individual source by the total number of quads, then multiply by 100.
Convert the quads into percentages and make a pie chart showing how much U.S. energy in 2015 came from renewable sources and how much came from nonrenewable sources. Round to the nearest hundredth. (Q = quad or quadrillion Btu)
e How We Use Our Energy Sources
2 1
3
2
2
3
2
2
3
1
3
3
HEATING/COOLING
2
1
MAKE PRODUCTS
1
4
2
TRANSPORTATION
3
5
LIGHTING
1
1
1
4
3
1
1
1
4
MAKE ELECTRICITY
In the boxes, number the main uses of each energy source from 1 to 5 with 1 as the most important use. Some sources may be used in only one or two ways. Once you have completed your chart, pick one source of energy and describe how and why you ranked the uses for each.
e