Energy Resources Homework

Energy Resources Homework

Multiple Choice

Identify the letter of the choice that best completes the statement or answers the question.

____ 1. Substances that provide energy as the result of a chemical change are called

a. / fertilizers.
b. / reserves.
c. / fuels.
d. / refineries.

____ 2. The three major fossil fuels are coal, oil, and

a. / wood.
b. / natural gas.
c. / gasoline.
d. / electricity.

____ 3. Coal is a solid fossil fuel formed from

a. / the remains of animals.
b. / rocks.
c. / decaying plant remains.
d. / hardened lava.

____ 4. Which fossil fuel produces the lowest levels of most air pollutants?

a. / coal
b. / oil
c. / petroleum
d. / natural gas

____ 5. Fossil fuels are considered nonrenewable resources because they

a. / burn so quickly.
b. / are in such high demand.
c. / take hundreds of millions of years to form.
d. / pollute the air.

____ 6. What is the result of using fossil fuels more rapidly than they are formed?

a. / The reserves will eventually be used up.
b. / The reserves will be refilled more quickly.
c. / The reserves will not be affected.
d. / The price of fossil fuels will fall.

____ 7. Which of the following is an advantage of solar energy?

a. / It will not run out for billions of years.
b. / It is not available at night.
c. / No backup energy sources are needed.
d. / It must be collected from a huge area.

____ 8. Wind energy is actually an indirect form of

a. / electricity.
b. / magnetic energy.
c. / solar energy.
d. / nuclear energy.

____ 9. Which of these is an example of a biomass fuel?

a. / oil
b. / natural gas
c. / wood
d. / coal

____ 10. The intense heat beneath Earth's surface can be a source of

a. / hydrogen power.
b. / nuclear fusion.
c. / geothermal energy.
d. / solar energy.

____ 11. Energy conservation means

a. / slowing down a chemical change.
b. / burning a fuel to release energy.
c. / using fossil fuels to produce electricity.
d. / reducing energy use.

____ 12. A layer of material that helps block the transfer of heat between the air inside and outside a building is called

a. / an active solar system.
b. / a solar cell.
c. / a heat exchanger.
d. / insulation.

____ 13. One example of an energy-efficient device is a(n)

a. / fluorescent light bulb.
b. / drafty window.
c. / incandescent light bulb.
d. / gasoline-powered car.

____ 14. Which of the following is an example of energy conservation?

a. / driving a car alone into the city at rush hour
b. / leaving lights on whenever you leave a room
c. / recycling aluminum soda cans
d. / leaving your home uninsulated

____ 15. In the future, cars may provide energy savings by

a. / running on electricity.
b. / being larger and heavier.
c. / moving at much faster speeds.
d. / using only unleaded gasoline.