Unit 6 Part 1 Vocabulary

Front 1

Fossil fuels-

Back 1

fuels formed in the ground over millions of years from the remains of dead plants and animals; examples include

Hint 1

petroleum, propane, natural gas, and coal.

Front 2

Nonrenewable-

Back 2

sources of energy with a limited supply that can not be replenished (made again) in a short period of time

Front 3

Renewable-

Back 3

energy that comes from sources that are constantly replenished (made again) by natural processes in a short amount of

Hint 3

time.

Front 4

Inexhaustible-

Back 4

energy that cannot be entirely consumed or used up; unlimited Coal- a fossil fuel formed from prehistoric plant remains, made mostly of carbon and burned as a fuel; appears as a brown to black

Hint 4

colored soft rock.

Front 5

Petroleum-

Back 5

a naturally occurring, nonrenewable fossil fuel formed from the remains of freshwater organisms and made of hydrocarbons, can be solid, liquid or gas, yellowish-green to black in color; also called crude oil.

Front 6

Natural gas-

Back 6

a colorless, combustible fossil fuel formed from the remains of marine organisms and mostly made of methane gas. Propane- a colorless, combustible fossil fuel found in natural gas and petroleum; found in gaseous state.

Front 7

Biomass-

Back 7

A renewable energy source that uses plant materials and animal waste as fuel.

Front 8

Compost-

Back 8

A mixture of rotting vegetation and manure; used as a fertilizer. Hydropower-

Hint 8

a renewable energy source that converts falling or flowing water to electricity; employs the use of

Front 9

Tidal energy-

Back 9

a renewable, inexhaustible energy source that converts the energy of tides into electricity;

Hint 9

employs the use of barrages and turbines as the tide rises and falls twice a day.

Front 10

Nuclear energy-

Back 10

a nonrenewable energy resource that comes from energy stored in the nucleus of atoms, usually Uranium atoms, and is released in nuclear reactors to make electricity.

Front 11

Fission-

Back 11

the splitting of a nucleus into at least two other nuclei that releases a relatively large amount of energy; the process that occurs in nuclear reactors. Fusion-

Hint 11

a nuclear reaction in which two or more nuclei combine together to form one larger nucleus; when this

Front 12

Geothermal energy-

Back 12

a renewable energy resource that converts the heat naturally produced deep within the

Hint 12

earth into electricity.

Front 13

Solar energy-

Back 13

a renewable, inexhaustible energy resource that converts energy given off by the sun into

Hint 13

electricity; employs the use of photo-voltaic (PV) cells to collect energy.

Front 14

Wind energy-

Back 14

a renewable, inexhaustible energy resource that converts energy of moving air caused by

Hint 14

temperature and pressure differences to electricity; employs the use of wind turbines to collect energy.

Front 15

Greenhouse effect-

Back 15

the naturally occurring process in which gases in the atmosphere trap heat from the sun and keep the earth warm.