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Physics P8 > Energy sources > Flashcards

Energy sources Flashcards

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1
Q

what are the different types of non renewable energy sources?

A

-fossil fuels
-nuclear fuels

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2
Q

what are the different types of renewable energy sources?

A

-the sun
-waves
-tides
-biofuels
-wind
-hot rocks beneath the ground
-water up high

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3
Q

what is an advantage of coal?

A

easy to access through mining

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4
Q

what is an disadvantage of coal?

A

emits toxic products

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5
Q

what is an advantage of oil?

A

readily available

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6
Q

what is an disadvantage of oil?

A

pollution in seas

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7
Q

what is an advantage of gas?

A

relatively low cost

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8
Q

what is an disadvantage of gas?

A

emits CO2

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9
Q

what is an advantage of biofuel?

A

reduces foreign oil dependency

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10
Q

what is an disadvantage of biofuel?

A

require fertilisers that cause water degradation

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11
Q

what is an advantage of nuclear?

A

low carbon energy sources

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12
Q

what is an disadvantage of nuclear?

A

radioactive waste

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13
Q

what is an advantage of solar?

A

minimal maintenance required

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14
Q
A
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15
Q

what is an disadvantage of solar?

A

expensive

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16
Q

what is an advantage of tidal?

A

more powerful than wind

17
Q

what is an disadvantage of tidal?

A

high construction costs

18
Q

what is an advantage of wind?

A

cost effective

19
Q

what is an disadvantage of wind?

A

difficult to predict

20
Q
A
21
Q

what is an advantage of wave?

A

environmentally friendly

22
Q

what is an disadvantage of wave?

A

disturbs sea floor

23
Q

what is an advantage of geothermal?

A

always available

24
Q

what is an disadvantage of geothermal?

A

needs to be close to tectonic boundaries

25
Q

what is an advantage of hydroelectric?

A

clean and sustainable

26
Q

what is an disadvantage of hydroelectric?

A

alters aquatic habitats

Physics P8 (6 decks)

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