Unit 7 Flashcards

1
Q

rain that is polluted with gases

A

acid rain

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2
Q

a long period of time (for example the Stone Age)

A

age

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3
Q

a system that cools the air in a building

A

air conditioning

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4
Q

energy from natural sources, such as solar power or wind power

A

alternative energy

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5
Q

science used in practical ways

A

applied science

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6
Q

the smallest amount of an element

A

atom

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7
Q

a unit of measurement for oil

A

barrel

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8
Q

if something is used up, there is none left

A

be used up

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9
Q

a fuel made from a plant source

A

bio-fuel

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10
Q

an animal that lives in the desert and has a hump

A

camel

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11
Q

an element (C)

A

carbon

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12
Q

a hard black substance that comes from the ground and that is burnt for fuel

A

coal

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13
Q

oil before it has been refined or purified

A

crude oil

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14
Q

oil that lorries run on

A

diesel oil

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15
Q

a very poisonous substance

A

dioxin

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16
Q

very greatly

A

dramatically

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17
Q

a house that uses technology which respects the enviroment

A

eco-house

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18
Q

a basic natural substance such as carbon or oxygen which has one type of atom only

A

element

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19
Q

design and construction of machines, bridges etc.

A

engineering

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20
Q

alcohol

A

ethanol

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21
Q

because there wasn’t enough …

A

for lack of …

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22
Q

a fuel such as gas or coal which comes from decayed plants

A

fossil fuel

23
Q

a part or proportion of something

A

fraction

24
Q

petrol

A

gasoline

25
Q

gases that cause global warming

A

greenhouse gases

26
Q

a compound that has carbon and hydrogen atoms

A

hydrocarbons

27
Q

a gas (H)

A

hydrogen

28
Q

infinite

A

limitless

29
Q

the commander of all the Allied armies (Britain,France etc.) during the first World War

A

Marshal Foch

30
Q

very, very small

A

microscopic

31
Q

an abbreviation showing the structure of a chemical substance

A

molecular formula

32
Q

gas for fuel that comes from underground or under the sea

A

natural gas

33
Q

the thick black substance from which petrol is made

A

oil

34
Q

a period in which there is not enough oil

A

oil crises

35
Q

an industrial site where oil is purified to make gas and petrol

A

oil refinery

36
Q

a structure in the sea where there is an oil well

A

oil rig

37
Q

a deep hole made in the ground to get oil

A

oil well

38
Q

to reach its greatest amount

A

peak

39
Q

a long tube that carries a liquid or gas

A

pipe

40
Q

(here) Earth

A

planet

41
Q

a kind of chemical compound which has large atoms which are themselves made of smaller atoms of the same type

A

polymer

42
Q

polyvinyl chloride; a type of plastic

A

PVC

43
Q

energy that will not run out, such as wind power

A

renewable energy

44
Q

to use

A

run on

45
Q

if you run out of something, you have none of it left

A

run out of

46
Q

a square device placed on a roof to catch the energy from the sun

A

solar panel

47
Q

energy from the sun

A

solar power

48
Q

where something comes from

A

source

49
Q

an early period of human history when people used stone tools

A

Stone Age

50
Q

a cooker

A

stove

51
Q

the amount of something that is available for use

A

supplies

52
Q

a large container

A

tank

53
Q

very soon

A

urgently

54
Q

tiny drops of liquid forming a mist

A

vapour