Energy Review

Petroleum is a nonrenewable resource because it _____.

• Is found only in certain parts of
   the world
• Is replaced more rapidly than it is used
• Can be used up by human activity
• Is expensive and causes pollution

Reducing the amount of energy used is called  _____.

• kinetic energy
• nonrenewable energy
• energy conservation
• renewable energy

Photovoltaic cells and reflectors are both examples of using _________ energy.

• hydroelectric
• geothermal
• wind 
• solar

Which of the following is an exhaustible energy resource?

• solar energy
• fossil fuels
• hydroelectric energy 
• wind energy

_____ are formed by natural processes such asdecomposition of buried organisms. Examples include coal, oil, natural gas, and petroleum.

• conservation
• geofuels
• fossil fuels
• renewable sources

Coal, petroleum, natural gas, propane, and uranium are examples of _____ energy sources.

• nonrenewable
• renewable
• biomass
• geocentric

Fossil fuels are created over a period of  __________ of years.

• Hundreds
• Thousands
• Millions
• Billions

All are ways of conserving energy EXCEPT:

• insulating a house
• carpooling
• turning appliances off when not in use
• leaving the refrigerator door open

Energy from ______ is available indefinitely.

• the ground
• the sun
• fossil fuels
• the atmosphere

Conservation of energy is important because

• it saves consumers money on electricity
• it reduces air pollution
• Conservation of energy is not important
• both A and B