Energy Review

The use of which energy source causes the most damage to the environment?

• fossil fuels
• wind
• biomass

If an ash pond from a coal-fired power plant leaks ash into a local creek, which is an environmental consequence?

• Plants and organisms in the creek will be unaffected.
• Plants and organisms in the creek may increase.
• Plants and organisms in the creek may die out.

Which is the greatest negative effect of obtaining hydroelectric power?

• flooding
• radioactive waste
• air pollution

Which would most likely result from an oil rig in the Gulf of Mexico that begins to leak crude oil?

• The leaking oil would permanently damage or destroy the ecosystems of the Gulf.
• The water would easily dissolve the leaking oil before any damage could be caused.
• The leaking oil would easily be cleaned up and no damage would be done to the Gulf.

A family builds an environmentally-friendly home. They want to use an energy source that is the least dangerous to the environment. Which source of energy should they use to heat their home?

• geothermal
• natural gas
• nuclear power

Which best describes a renewable energy source?

• oil
• sunlight
• coal

Whichbest describes how hydroelectric power plants can be harmful to the environment?

• air pollution
• habitat destruction
• increased carbon dioxide levels

Why is it important to limit the use of fossil fuels such as coal and natural gas?

• Fossil fuels are an unlimited resource on the Earth.
• Fossil fuels can be renewed in a matter of a few years.
• Fossil fuels can be replenished only after thousands of years.

Which is considered to be an important source of energy worldwide which may impact plant growth?

• biomass
• hydroelectricity
• geothermal

Which could most likely release a high dose of radiation to the environment?

• a nuclear energy power plant
• a coal-burning power plant
• a hydroelectric power plant