Environmental science chapter 18
Terms in this set (24)
The use of which renewable energy source is growing at the most rapid rate?
When you boil water over a campfire, you are using
Much of Iceland's power comes from geothermal energy. What geologic features are likely to be present in large number in Iceland?
A characteristic of ground source heat pumps is that
Underground soil temperature remains constant year-round
One disadvantage of hydropower is that it
Two kinds of energy that comes from oceans are ocean thermal energy
What is used to absorb heat in a flat-plate solar collector?
A metal plate
Which of the following is a benefit of wind power?
It does not cause pollution
At the present time, the most common and least expensive way to produce hydrogen fuel is by
The breakdown of methane
What are the products of the breakdown of methane?
Hydrogen and carbon dioxide gases
What is a biofuel that is used as a supplement to power gasoline engines in cars?
Drilling very deep wells to reach heated rocks and water so geothermal energy can be harvested can cause what?
Which type of approach to hydropower is most efficient when the water level in a river remains constant during all seasons?
A greenhouse gas uses which type of solar energy to keep plants warm in winter?
Hydrogen fuel is produced by the chemical breakdown of what containing compounds?
Alternative energy sources are needed to reduce air pollution, reduce the emission of greenhouse gases, and replace what?
In addition to providing electric power, dams can control what, which destroy homes and farmland?
Any future ocean thermal energy facilities would probably be built in countries that are located near the imaginary line on the globe called the what?
A photovoltaic cell creates an electric current by causing a flow of what?
One disadvantage of wind power is that wind is not what?
What is biomass energy? Give an example.
Anything organic someone can burn to get energy. Example wood
How can the sun's rays be concentrated to generate electricity?
Concentrated solar power
How can a house that depends on electricity produced by solar energy maintain a constant energy supply through a long rainy period with little sunshine?
Active solar power at home energy
How are fuel cells used?
Cars and buses