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Assessment
Chapter 18 Test B
Renewable Energy
MATCHING
In the space provided, write the letter of the term or phrase that best matches the description.
_____1.a clean-burning gas derived from water
_____2.organic matter burned for energy
_____3.saving energy
_____4.percentage of energy that does useful work
_____5.gasoline alternative that can be made from agricultural products
MULTIPLE CHOICE
In the space provided, write the letter of the term or phrase that best completes each statement or best answers each question.
_____6.A solar water heater uses
a.photovoltaic cells. c. solar cells to generate electricity.
b.a heat exchanger. d. All of the above
_____7.Which of the following is a disadvantage of photovoltaic cells?
a.They are expensive and inefficient.
b.Their large size limits their use.
c.They need long periods of sunshine to produce a small electric current.
d.Their moving parts need regular maintenance.
_____8.Which of the following statements about hydrogen gas as a fuel source is correct?
a.Hydrogen gas can be burned as a fuel or used to produce electricity chemically.
b.Hydrogen gas is not abundant on Earth.
c.When hydrogen gas is burned, it releases pollutants.
d.Generating hydrogen gas by burning fossil fuels is inexpensive.
_____9.In developing countries, you are most likely to find biomass used
a.to generate electricity. c. as a source of hydropower.
b.for manufacturing. d. for heating and cooking.
_____ 10. Which of the following description of hybrid cars is correct?
a.Hybrid cars do not use gasoline engines.
b.Hybrid cars have not been made yet.
c.Hybrid cars are energy-efficient.
d.Hybrid cars rely on biomass fuel.
Chapter Test B continued
COMPLETION
Write the answers to the following questions in the spaces provided.
11.The fastest-growing source of energy in the world is ______.
12.Tidal power, hydrogen fuel cells, and ocean thermal energy conversion are sources of ______energy.
13.Energy from sources that are formed faster than they are used up is ______energy.
14.When bacteria decompose organic wastes, one by product is, ______which can be burned to generate heat and electricity.
15.Wind, plant growth, and the water cycle are powered by ______.
SHORT ANSWER
Write the answers to the following questions in the spaces provided.
16.Describe the differences between active solar heating and passive solar heating.
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17.Explain the difference between what a photovoltaic cell does and how solar heating works.
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Chapter Test B continued
18.Compare the use of biomass fuel in developed countries and developing countries.
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19.Describe how a hydroelectric power plant works.
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20.What is the difference between how a geothermal power plant operates and how a geothermal heat pump (for home heating) works?
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21.What are two ways that hydrogen could be used as a fuel source in the future?
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Chapter Test B continued
22.Identify three ways that people can conserve energy in their daily lives.
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ESSAY
23.Explain the difference between energy efficiency and energy conservation. Give an example of each.
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24.Describe three developing energy technologies.
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25.Choose a form of renewable energy, and describe its advantages and disadvantages.
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