Chapter 2

Front 1

Acid Rain

Back 1

acid rain  noun precipitation, as rain, snow, or sleet, containing relatively high concentrations of acid-forming chemicals, as the pollutants from coal smoke, chemical manufacturing, and smelting, that have been released into the atmosphere and combined with water vapor: harmful to the environment.

Front 2

British thermal unit 

Back 2

British thermal unit the amount of heat required to raise the temperature of 1pound(0.4kg)of water1°F.Abbreviation:Btu,BTU,B.t.u.,B.T.U.,B.th.u.

Front 3

Renewable energy sources

Back 3

Renewable energy sources are those
resources that can be replaced when needed.

Front 4

Nonrenewable energy sources

Back 4

Nonrenewable energy sources are those that
cannot be replaced once used.

Front 5

Inexhaustible energy sources

Back 5

Inexhaustible energy sources are those that
will never run out.

Front 6

Potential energy

Back 6

Potential energy is energy waiting to happen.

Front 7

Kinetic energy

Back 7

Kinetic energy is often defined as energy in motion.

Front 8

Light energy

Back 8

Light energy is energy visible to the eye. It represents a very small
portion of atrl radiant energy, which collectively is known as the
electromagnetic spectrum.

Front 9

Heat energy

Back 9

Heat energy, also referred to as infrared energy, has a longer wavelength
than light energy. This longer wavelength does not allow heat
to pass through certain materials, like glass, as readily as light does.
Heat energy is generally not visible to the eye, but it can be measured
in terms of temperature.

Front 10

Mechanical energy

Back 10

Mechanical energy is energy produced by mechanical devices, such
as gears, pulleys, levers, or more complex devices, like internal combustion
engines.

Front 11

Chemical energy

Back 11

Chemical energy is the term used to describe the potential energy
locked within a substance. For instance, 50 1bs. of red oak might be
capable of producing the same amount of heat energy as 15 lbs. of
high-grade coal or 1 gallon of refined heating oil.

Front 12

Electrical energy

Back 12

Electrical energy is the energy associated with the flow of electrons.
Electricity is used extensively in contemporary society to power the
majority of our convenience appliances.

Front 13

Nuclear energy

Back 13

Nuclear energy is the term associated with the power of the atom. It
was initially harnessed during the 1940s. The initial use of nuclear
energy was for war, but with the conclusion of World War II, peacetime
uses for nuciear energy, such as Power generation, emerged.

Front 14

heating unit

Back 14

is equivalenl-to
100,000 Btu.

Front 15

energy consumption

Back 15

use of energy resources,
of a large city, countryt ot continent, a term known as the quad is often
used.

Front 16

quad

Back 16

is an accepted abbreviation for 1 quadrillion Btu.

Front 17

Energy conversion

Back 17

is the changing of one form of energy into another

Front 18

Efficiency

Back 18

is a term used to measure the extent to which an energy form
is usefully converted to another form of energy.

Front 19

Entropy

Back 19

is a
measure of the unavailable energy in a closed system.

Front 20

greenhouse effect

Back 20

is said to occur because of gases produced by the
burning of fossil fuels as well.

Front 21

global warming

Back 21

The effects of global warming are not widely understood,
but at a minimum, global warming could cause the melting of ice caps,
which could alter shorelines, and the changing of weather patterns, which
could alter agricultural productivity.

Front 22

Organization of Petroleum Exporting
Countries (OPEC).

Back 22

A group of nations commited to the strength and success of the oil market

Front 23

Inexhaustible energy sources

Back 23

are those that
will never run out.

Front 24

Energy Conservation

Back 24

refers to efforts made to reduce energy consumption.