CE - Chapter 8 Vocabulary Flashcards Preview

SHS (Zielke) Science 9 - Characteristics of Electricity > CE - Chapter 8 Vocabulary > Flashcards

Flashcards in CE - Chapter 8 Vocabulary Deck (17)
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1

Biomass

A renewable fuel made of organic material such as pant and animal waste (Pg. 274)

2

Efficiency

The ratio of the useful energy that comes out of a device to the total energy that went in (Pg. 287)

3

EnerGuide

A label that states how much energy the appliance will use in a year of average use (Pg. 288)

4

Energy Efficiency Rating

A rating that indicates hoe much electrical energy a device consumes during its operation (Pg. 288)

5

Energy Grid

A web of interconnections between generating stations, substations, and users; also called a distribution grid (Pg. 272)

6

Energy Star

The symbol identifying the most efficient appliances in each class (Pg. 288)

7

Fossil Fuels

A fuel formed from the organic matter of organisms that lived millions or years ago; includes coal, oil, and natural gas (Pg. 274)

8

Generators

A device that transforms the energy of motion into an electric current (Pg. 272)

9

Geothermal Energy

Heat or electrical energy generated from water natural heated by the rock in Earth’s crust (Pg. 275)

10

Hydroelectric Energy

Electrical energy generated from the energy of flowing water (Pg. 273)

11

Kilowatt-hour (kW.h)

Unit of measure commonly used to measure electrical energy consumption; one kilowatt-hour is equal to the consumption of on kilowatt in one hour (Pg. 286)

12

Non-renewable

A resource that cannot be replaced once it is used up (Pg. 269)

13

Renewable

A resource that can be reused or replaced, such as sunlight or wind (269)

14

Sustainable Development

Development that meets the needs of the present without compromising the ability of future generations to meet their own needs (Pg. 279)

15

Thermonuclear

The production of electrical energy using heat from nuclear relations, usually nuclear fission (Pg. 275)

16

Transformer

A machine that boosts the generator’s voltage for long distance transmission (Pg. 272)

17

Turbine

A machine that uses the flow of a fluid to turn a shaft; using in generators to generate electricity (Pg. 272)