energy sources

Which 1

energy transformation produces electricity with the least negative environmental impact?

• Generating electricity from a natural gas-fired power plant

• Generating electricity from a coal-fired power plant

• Generating electricity from a hydroelectric power system

• Generating electricity from a solar panel system

Which of the following statements is true about the advantages and disadvantages of using different energy resources?

• Nuclear power is a cost effective, nonrenewable energy resource that leaves behind no

  waste

• Coal is a safe and effective renewable source of energy used in the production of

  electricity.

• Solar power is a clean, renewable source of energy, but quite expensive and not

  dependable on a daily basis.

• Coal is a safe and effective renewable source of energy used in the production of

  electricity.

Which of the following energy resources would be the most environmentally friendly way to supplement or add to the electrical power system?

• Solar panels on the roof

• Hydroelectric power from a school pond

• Nuclear power plant in the utility room

• Diesel powered generator outside the building

What is an advantage of power plants powered by natural gas when compared to coal and oil?

• Natural gas generates more electricity when burned.

• Burning natural gas releases less pollution to the atmosphere.

• Natural gas requires long pipelines to reach power plants.

• Explosions are less likely when leaks occur in pipelines

The use of which of the following resources would be most affected by changes in weather

• Wind

• Geothermal

  
  

  Natural gas

• Nuclear

Several dams on the Colorado River in Texas produce electricity through hydropower. What is an advantage of this type of energy production?

• Land is flooded when dams are built.

• Dams improve biodiversity by creating lakes out of rivers.

• Electricity can only be generated during daylight hours.

• Hydropower provides renewable energy for human use.

Which of the following statements best explains a disadvantage of using a nonrenewable resource over a renewable energy resource?

• Coal generated electricity currently costs more per kWh than solar generated electricity.

• Burning coal produces less energy than burning natural gas.

• Geothermal energy is difficult to use to produce electricity compared to burning coal.

• Burning coal will produce more environmental pollution than using wind turbines.

An advertisement for a new car that runs completely on solar power claims that the car is “100% environmentally friendly because it produces no environmental pollution.”

Which of these questions is the most important environmental question for consumers to answer before they consider buying this car?

• Which major car company produces this car?

• How much does this car cost?

• Where can consumers find evidence that it produces no pollution?

• What color does the car come in?