Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 1. The process of burning a fuel to change chemical energy into thermal energy is called
a.
heat.
b.
electricity.
c.
energy.
d.
combustion.
____ 2. The three major fossil fuels are coal, oil, and
a.
wood.
b.
natural gas.
c.
uranium.
d.
electricity.
____ 3. 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.
____ 4. 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.
____ 5. The splitting of an atom’s nucleus into two smaller nuclei is called
a.
nuclear fusion.
b.
nuclear fission.
c.
a chain reaction.
d.
a meltdown.
____ 6. The combining of two atomic nuclei to produce one larger nucleus is called
a.
hydrogen power.
b.
nuclear fission.
c.
nuclear fusion.
d.
a meltdown.
____ 7. 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.
____ 8. Efficiency is
a.
the percentage of energy lost to the surroundings as heat.
b.
the percentage of energy that is actually used to perform work.
c.
the entire amount of energy.
d.
the time it takes for half of the energy to be used.
____ 9. 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
____ 10. The most plentiful fossil fuel in the United States is
a.
coal.
b.
oil.
c.
natural gas.
d.