WorksheetsCh 10
Total questions: 45
Worksheet time: 23mins
1. A building design can save energy and money by
using superinsulation, green roofs, and natural light.
. setting thermostats high in the winter, and using superinsulation and green roofs.
utilizing natural lighting, reducing insulation, and green roofs.
using green roofs, setting thermostats high in the winter, and utilizing natural light.
2. Active solar heating systems involve
green roofs.
pumping a heat-absorbing fluid through collectors on the roof.
foil sheets under the floor.
3. Almost half of the commercial energy available for use in the U.S. is wasted due to inefficiencies in devices and processes used.
True
False
4. Cars can be more fuel efficient by utilizing ultralight and ultrastrong materials in their design.
True
False
5. Cells that convert solar energy directly into electricity are called
electrosolar chips.
solarelectric cells.
photovoltaic cells.
6. Converting plant sugars into simple sugars creates which biofuel?
Ethanol
Propane
Methane
Ethane
7. Energy efficiency measures are applied only to new construction projects as it is too costly to apply energy efficiency measures to existing structures.
True
False
8. Ethanol is a controversial biofuel because it is still unclear how much carbon dioxide is emitted during the production and burning of ethanol compared to conventional gasoline.
True
False
9. Ethanol production has resulted in
increased prices for corn-based food products.
decreased the number of malnourished people.
decreased prices for corn-based food products.
increased transportation emissions.
10. Geothermalenergycanbeusedforwhichofthefollowing?
heating space, producing electricity, and cooling space
producing electricity, transportation fuel, and heating space
transportation fuel, producing high-temperature heat for industry, and heating space
producing high-temperature heat for industry, cooling space, and transportation
11. Geothermalenergyisstoredintheformof
Trees and shrubs.
Deserts
Rainwater
Soil and rocks.
12. Governmentsdonothavethepowertocontroltheshiftfromnonrenewabletorenewableenergysources.
True
False
13. Greenroofscouldbeusedinofficebuildingstoconserveheatinwinterandcoolinginthesummer.
True
False
14. Hydrogenmaybeafutureenergysourcetopowervehicles.
True
False
15. Hydropowercanonlybegeneratedinlarge-scalefacilitiesthatalterastream’scourse.
True
False
16. Hydropower
provides about 90% of the electricity in Europe.
is most important in rivers and streams.
can emit methane from the decomposition of submerged vegetation in reservoirs.
17. Ifenergypriceswerekeptartificiallyhigh,
he use of non-renewable energy resources in the future would decline.
dependence on imported energy sources would increase.
energy efficiency would be discouraged.
18. Incogenerationsystems
two useful forms of energy are produced from the same fuel source.
use a battery in case the main system fails.
both coal and oil are used.
heat from the earth is used to produce electricity.
19. Includingenvironmentalcosts,windpoweristhecheapestsourceofelectricity.
True
False
20. Keepingenergypricesartificiallylowhasresultedinharmfulenvironmentalaffectsandwastefulenergyuse.
True
False
21. Oneadvantageoflarge-scalehydropoweristhatit
produces low methane emissions.produces low methane emissions.
has a high net energy yield.
makes it easier for fish to migrate upstream.
22. Oneadvantageofwindpoweristhatit
produces little to no direct carbon dioxide emissions.
does not interfere with wildlife or habitats.
is limited to land areas.
23. Overall,nonrenewableresourceshavealowernetenergythanrenewableresources.
True
False
24. Photovoltaiccells
have a fairly high net energy yield.
have high air and water pollution during operation.
produce more carbon dioxide than burning fossil fuels.
25. Smartelectricalgrids
involve a two-way flow of energy and information between producers and users of electricity.
are not commonly used because they are large investments with minimal returns.
are an energy efficient substitute for major household appliances.
26. Solarenergyisbecomingmorepopularrecentlydueto
new technology and the lower cost due to subsidies and tax breaks.
conflict in the Middle East over oil supplies.
the decline of nuclear power after Fukushima.
27. Solarthermalsystemsusedtogenerateelectricityarethebestoptionforenergygenerationindesertareas as there are no environmental impacts.
True
False
28. Thebestalternativetogasolineandthebestwaytomoveforwardintechnologyforpoweringvehiclesis
increasing fuel-efficiency standards.
electric hybrids.
Diesel
Ethanol
29. Thedevelopmentofrenewableenergyresourceswilllikely
reduce harm to the environment.
cause long-term economic hardship.
decrease national security.
increase the need for oil imports.
30. Theeasiest,cleanest,mostenvironmentallysound,andleastexpensivewaytomakeenergymoreavailable is to
reduce energy waste.
buy incandescent light bulbs.
install solar panels.
switch to a natural gas furnace.
31. Themosteffectivewaterheaterisa(n)
roof-mounted solar hot water heater.
electric water tank.
gas water heater.
oil water heater.
32. Toreduceenergywaste,wemust
improve energy efficiency.
increase energy consumption.
switch from fossil fuels.
33. We can make energy use more sustainable by using energy more efficiently and relying on a mix of renewable energy sources
True
False
34. Whatcountryisthelargestproducerofliquidbiofuels?
Brazil
Mexico
China
35. Whatistheleadingsourceofrenewableenergyworldwide?
hydropower
geothermal energy
solar-cells
36. Whatkindofheatpumpusestheconstanttemperatureoftheearthasasourceofheatinwinterandasa store for heat in the summer?
Geothermal
Solar
Wind
37. Whereintheworldisbiomassusedastheprimaryenergysource?
More-developed countries
The poorest countries
The United States
China
38. Whichgroupismostlikelytosupportlarge-scalefundingofhydrogenresearch?
sustainable developers
electric utilities
heating and air-conditioning manufacturers
39. Whichisanadvantageofusinghydrogenasanenergysource?
Hydrogen produces no carbon dioxide emissions if produced with renewables.
Hydrogen always produces fewer carbon dioxide emissions than coal or natural gas.
Hydrogen is locked up in water and organic compounds.
Hydrogen fuel cells are inexpensive.
40. Whichofthefollowingarerenewableenergyresources?
The sun, the earth’s internal heat, and the wind
Natural gas, the earth’s internal heat, and the wind
The wind, petroleum, and water
41. Whichofthefollowingaresolarenergytechnologies?
solar cookers, photovoltaic cells, and active solar heating systems
solar cookers, passive solar heating systems, and translucent solar film
translucent solar film, solar cookers, and power towers
42. Whichofthefollowingisanexampleofbiomass?
agricultural waste
Petroleum
Synfuels
Solar energy
43. Whichprocesstransformsthesun’senergyintoheat,whichisthenusedtoproduceelectricity?
electric solar converters
solar thermal systems
photovoltaic fuel transformers
44. Windpowerisexpectedtogrow
offshore because of stronger and steadier wind speeds.
on land because of stronger and steadier wind speeds.
in the United States due to increasing wind speeds from climate change.
45. Woodisarenewablefuel
when it is harvested no faster than it is replenished.
because of the low price of processing
because of its high net energy yield.
if it is taken from slow-growing trees that are large and burn easily.
