NR 2 Energy Sources

The ability to do work is

• combustion

• energy

• hydropower

• motion

Renewable energy is all continuous or repeating energy sources in the

• atmosphere

• natural environment

• ocean

• solar system

kinetic energy is the energy of an object due to its

• acidity

• color

• motion

• position

Transformation of energy occurs when stored energy changes to

• kinetic energy

• potential energy

• magnetic energy

• nonrenewable energy

A distinguishing characteristic of nonrenewable energy, such as coal and oil, is that it is

• for use in hydropower facilities

• for use in nuclear power plants

• in limited supply

• in unlimited supply

potential energy is energy that is

• active

• moving

• released

• stored

What fluel can be used in existing vehicles with little or no modification to engines and fueling systems?

• benzene

• carbolic acid

• liquid biofuel

• methane

Because of the availability and minimum cost of wood, it is the most common

• biofuel

• fossil fuel

• geothermal fuel

• nonfuel

Which is the largest renewable energy source for electricity generation in the United States?

• hydropower

• geothermal

• solar

• wind

Why does the United States produce less energy with renewable resources than with fossil fuels?

• all renewable energy creates smog

• fossil fuel technology is underdeveloped

• fossil fuels are more expensive

• renewable energy is more expensive