Exam 13: Energy

Control rods in a nuclear reactor are used to

In the United States and Canada,the most common problem with using wood as a major heat source is

Biofuels can be produced commercially using all of the following except

Energy is measured in what units?

In terms of generating electricity,fuel cells are ________ than thermal-conversion machines because the chemical energy of a fuel is ________.

The world's largest wind power producers are the United States and Canada.

Fossil fuels currently supply about ________ percent of all world commercial energy supplies.

Photovoltaic cells work because solar energy striking their surface

The down side of using palm oil as a biofuel is the loss of nutrients being placed back into the soil from decomposition of dead vegetation.

Tidal power stations operate by using the energy from waves as they crash on the shore.

For much of the past decade,battles have been going on over oil and gas drilling in

What do concentrating solar power,wind turbines,nuclear power,and coal-fired power plants have in common?

The US Department of Energy plans to deposit high-level nuclear waste at ________ for long term storage.

In the poorest countries like Ethiopia and Bangladesh,biomass represents ________ percent of their energy consumption.

A glass greenhouse on the south side of a building is an example of

The largest oil supply in the Americas comes from tar sands.

________ can easily be moved across land in pipelines,but must be transported in special refrigerated ships to move across oceans.

Which country is the world leader in wind energy?

Most of the world's nuclear reactors are of the ________ type.

Where in the United States is the greatest solar resource?