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GCSE!! graphics > core content - energy > Flashcards

core content - energy Flashcards

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1
Q

coal

how is it converted into energy?

A

heart energy and hot gases convert water into steam that powers a turbine

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2
Q

coal

advantages

A

stable
large scale
cheap to extract
reliable

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3
Q

coal

disadvantages

A

emits pollution

impacts landscape

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4
Q

oil

how is it converted into energy?

A

processed and split into petrols

power plants - its burnt to heat water and produces steam

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5
Q

oil

advantages

A

stable
large scale
cheap to extract

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6
Q

oil

disadvantages

A

highly polluting

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7
Q

gas

how is it converted into energy

A

burning gas powers turbine

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8
Q

gas

advantages

A

stable
large scale
cheap to extract
cleaner

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9
Q

gas

disadvantages

A

highly polluting

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10
Q

list some renewable energy sources

A 
biomass 
biodiesel 
tidal
wind 
solar 
hydroelectric
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11
Q

biomass

what is it and how is it converted into energy?

A

it’s organic matter

used via combustion

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12
Q

biomass

advantages

A

waste from plants and farming can be used

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13
Q

biomass

disadvantages

A

large areas needed

emits fumes

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14
Q

biodiesel

what is it and how is it converted into energy?

A

made for natural elements

used in diesel powered vehicles

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15
Q

biodiesel

advantages

A

used waste from plants and farming

no harmful chemicals

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16
Q

biodiesel

disadvantages

A

large areas needed

17
Q

tidal

what is it and how is it converted into energy?

A

turbines generate electricity from the movement of tidal water
artificial tidal barrages

18
Q

tidal

advantages

A

no emissions
powerful
predictable and stable

19
Q

tidal

disadvantages

A

lower energy output
expensive to build
coastal areas

20
Q

wind

what is it and how is it converted into energy?

A

wind turbines creates electricity through a generator

21
Q

wind

advantages

A

freely available
remote areas
no emissions

22
Q

wind

disadvantages

A

unpredictable
unsightly
expensive

23
Q

solar

what is it and how is it converted into energy?

A

sunlight into electricity

converted into mechanical energy

24
Q

solar

advantages

A

reliable
more produced in strong sun
homes can have their own electricity

25
Q

solar

disadvantages

A

expensive to set up

effective depends on location

26
Q

hydroelectric

what is it and how is it converted into energy?

A

a dam traps water and turbine make electricity

27
Q

hydroelectric

advantages

A

large amount of low cost power secondary purpose

28
Q

hydroelectric

disadvantages

A

expensive to set up

can damage environment

29
Q

what is a power system?

A

network of components that supply transfer and use electric power.

30
Q

give examples of power systems

A

cells
solar cells
wind power
mains electricity

31
Q

description of batteries and cells

A

uses chemical energy to make electricity
expensive source
chemicals may leach into water sources

32
Q

description of solar cells

A

turns sunlight into electricity
provides free energy once initial costs covered
unsightly
non polluting

33
Q

description of mains electricity

A

supplied from power stations
alternating current
items need to be plugged into the mains to be powered

34
Q

description of wind power

A

wind into mechanical power or electricity
small versions can be built at home
dependant on the stefan of the wind

GCSE!! graphics (3 decks)

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