Scientific Discovery (Chemical ,Medicine) Flashcards Preview

Vocabulary For IELTS Advanced - Cambridge > Scientific Discovery (Chemical ,Medicine) > Flashcards

Flashcards in Scientific Discovery (Chemical ,Medicine) Deck (25)
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1

Farmers use pesticides and herbicides to kill pests and weeds. They use fertilisers (like nitrogen, phosphorus and potassium) to promote plant growth.

fertile describes land that can produce a large number of good quality crop

#pesticides :/ˈpes.tɪ.saɪd/
a chemical substance used to kill harmful insects, small animals, wild plants and other unwanted organisms:
The pesticides that farmers spray on their crops kill pests but they can also damage people's health.

# herbicide ɜː.bɪ.saɪd
a chemical which is used to destroy plants, especially weeds

#fertilisers /ˈfɜː.tɪ.laɪ.zəʳ/
a substance added to soil to make plants grow more successfully:
artificial / chemical fertilizers * liquid fertilizer * a bag of fertilizer

2

hydrocarbons

a mixture of carbon and hydrogen

3

metalloids

something that can act like a metal

4

urban myth

a commonly told story not based on fact

5

dosage

the amount of medicine you should take

6

compound

a chemical that combines two or more elements

7

polluted location

contaminated site

8

through

via

9

come into contact with

exposure can take place

10

what we eat

the food we consume

11

the idea

the notion

12

toxic

poisonous

13

examining

analysing / assessing

14

potential consequences

possible interactions

15

mixing chemicals may cause a chemical ......

reaction

16

#to make sth white or pale by a chemical process or by the effect of sunlight; to become white or pale in this
#a chemical that is used to make sth become white or pale and as a DISINFECTANT (= to prevent infection from spreading)

Bleach

17

the release of gas

emission

18

the chemicals derived from petrol or natural gas

petrochemicals

19

the chemical added to food

additive

20

opposite of synthetic

organic

21

the different types of synthetic material which can be moulded and shaped to make many products

PLASTICS

22

a form of energy from nuclear power which is dangerous to humans and animals

radiation

23

material with particular physical characteristics:

substance
an organic/chemical substance
What sort of substance could withstand those temperatures?

24

natural remedies

1.a way of dealing with or improving an unpleasant or difficult situation:
There is no simple remedy for unemployment. * There are a number of possible remedies to this problem.
2 a treatment or medicine to cure a disease or reduce pain that is not very serious:
a natural / herbal remedy * an excellent home remedy for sore throats

25

highly
__________

probable
skilled
valued
addictive
unusual
recommended
educated

absolutely
_____________
essential
terrible
necessary
crucial
useless
vital
awful
-------------------------
essentially
___________
probable
anxious
addictive
controversial
disappointing
overweight
difficult