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 …