Unit 7 Flashcards
rain that is polluted with gases
acid rain
a long period of time (for example the Stone Age)
age
a system that cools the air in a building
air conditioning
energy from natural sources, such as solar power or wind power
alternative energy
science used in practical ways
applied science
the smallest amount of an element
atom
a unit of measurement for oil
barrel
if something is used up, there is none left
be used up
a fuel made from a plant source
bio-fuel
an animal that lives in the desert and has a hump
camel
an element (C)
carbon
a hard black substance that comes from the ground and that is burnt for fuel
coal
oil before it has been refined or purified
crude oil
oil that lorries run on
diesel oil
a very poisonous substance
dioxin
very greatly
dramatically
a house that uses technology which respects the enviroment
eco-house
a basic natural substance such as carbon or oxygen which has one type of atom only
element
design and construction of machines, bridges etc.
engineering
alcohol
ethanol
because there wasn’t enough …
for lack of …
a fuel such as gas or coal which comes from decayed plants
fossil fuel
a part or proportion of something
fraction
petrol
gasoline
gases that cause global warming
greenhouse gases
a compound that has carbon and hydrogen atoms
hydrocarbons
a gas (H)
hydrogen
infinite
limitless
the commander of all the Allied armies (Britain,France etc.) during the first World War
Marshal Foch
very, very small
microscopic
an abbreviation showing the structure of a chemical substance
molecular formula
gas for fuel that comes from underground or under the sea
natural gas
the thick black substance from which petrol is made
oil
a period in which there is not enough oil
oil crises
an industrial site where oil is purified to make gas and petrol
oil refinery
a structure in the sea where there is an oil well
oil rig
a deep hole made in the ground to get oil
oil well
to reach its greatest amount
peak
a long tube that carries a liquid or gas
pipe
(here) Earth
planet
a kind of chemical compound which has large atoms which are themselves made of smaller atoms of the same type
polymer
polyvinyl chloride; a type of plastic
PVC
energy that will not run out, such as wind power
renewable energy
to use
run on
if you run out of something, you have none of it left
run out of
a square device placed on a roof to catch the energy from the sun
solar panel
energy from the sun
solar power
where something comes from
source
an early period of human history when people used stone tools
Stone Age
a cooker
stove
the amount of something that is available for use
supplies
a large container
tank
very soon
urgently
tiny drops of liquid forming a mist
vapour
