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Level 8

Unit 8


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discovery
when someone discovers something
around
in a circle or with circular movement
away from
to a different place or in a different direction
backwards
towards the direction behind you
down
in or towards a low or lower position, from a higher one
forwards
towards the direction that is in front of you
towards
in the direction of someone or something
up
to or in a higher place or position
up and down
rising and falling
used to
If something used to happen or a situation used to exist, it happened regularly or existed in the past but it does not happen or exist now.
disease
(an) illness caused by infection or by a failure of health rather than by an accident
malaria
a serious disease that you can get in hot countries if a mosquito small insect bites you
pill
a small, hard piece of medicine that you swallow
pollute
to make water, air, soil, etc. dirty or harmful
cure
something that makes someone with an illness healthy again
discover
to find out something or to find a place or an object, especially for the first time
do research
to study a subject in order to discover new information or reach a new understanding
experiment
a test, especially a scientific one, that you do in order to learn something or to discover whether something is true
invent
to design or create something which has never existed before
laboratory
a room used for scientific work
machine
a piece of equipment with several moving parts which uses power to do a particular type of work
scientist
someone who studies science or works in science
achievement
something very good and difficult that you have succeeded in doing
basic
very simple, with nothing special added
enormous
extremely large
identify
to recognize someone or something and say or prove who or what they are
prevent
to stop something from happening or someone from doing something
structure
the way that parts of something are arranged or put together
tool
a piece of equipment that you use with your hands in order to help you do something
treat
to behave towards or deal with someone in a particular way
complicated
involving a lot of different parts, in a way that is difficult to understand