Unit 7

Question 1

Acid rain (n)

Answer 1

Rain which contains large amount of harmful chemicals as a result of burning substances such as coal and oil

Question 2

Alternative (n)

Answer 2

Something that is different from something else, especially from what is usual, and offering the possibility of choice

Question 3

Bear in mind (exp)

Answer 3

To remember a piece of information when you are making a decision or thinking about a matter

Question 4

Chemical (n)

Answer 4

Any basic substance which is used in or produced by a reaction involving changes to atoms or molecules

Question 5

Climate change (n)

Answer 5

The way the world’s weather is changing

Question 6

Conservation (n)

Answer 6

The protection of plants and animals, natural areas, and interesting and important structures and buildings, especially from damaging effects of human activity

Question 7

Cut down on (pv)

Answer 7

To do less of something or use something in smaller amounts

Question 8

Device (n)

Answer 8

An object or machine which has been intented for a particular purpose

Question 9

Disposal (n)

Answer 9

When you get rid of something, especially by throwing it away (eliminazione, smaltimento)

Ex. The council’s rules relating to the disposal of household waste can be found on their website.

Question 10

Extreme (adj)

Answer 10

Very severe or bad

Question 11

Freezing (adj)

Answer 11

Extremely cold

Question 12

Frost (n)

Answer 12

A period of time in which air temperature is below the freezing point of water, or the white, powdery layer of ice which forms in these conditions, especially outside at night (gelo, brina)

Question 13

Generate (v)

Answer 13

To cause something to exist

Question 14

Global warming (n)

Answer 14

A gradual increase in world temperature caused by polluting gases such as carbon dioxide which are colllecting in the air around the Earth and preventing heat escaping into space

Question 15

Hi-tech or high-tech (adj, n)

Answer 15

Using the most advanced and developed machines and method

Question 16

In all (exp)

Answer 16

With everything added together to make a total

Question 17

In doubt (exp)

Answer 17

If the future or success of someone or something is in doubt, it is unlikely to continue or to be successful

Question 18

In due course (exp)

Answer 18

At a suitable time in the future

Question 19

In practice (exp)

Answer 19

In reality rather than what is meant to happen

Question 20

In progress (exp)

Answer 20

Happening or being done now

Question 21

In the long term (exp)

Answer 21

For a long period of time in the future

Question 22

In the meantime (exp)

Answer 22

Until something expected happend, or while something else is happening

Question 23

Industrial waste (exp)

Answer 23

Unwanted matter or material caused by the process of producing things in a facctory

Question 24

Mild (adj)

Answer 24

Describes weather that is not very cold or not as cold as usual (temperato)

Question 25

Play a part in (exp)

Answer 25

To help to achieve something

Question 26

Poisonous (adj)

Answer 26

Very harmful and able to causew illness or death

Question 27

Process (v)

Answer 27

To prepare, change or treat food or raw materials as a part of an industrial operation

Question 28

Regulation (n)

Answer 28

An official rule that controls how something is done

Question 29

Severe (adj)

Answer 29

Causing very great pain, difficulty, worry, damage, etc.; very serious

Question 30

Shelter (n)

Answer 30

A building designed to give protection from bad weather, danger or attack

Question 31

Solar power (n)

Answer 31

Electricity produced by using the energy from the sun

Question 32

Substance (n)

Answer 32

Material with particular physical characteristics

Question 33

Substitute (n)

Answer 33

A thing or a person that is used instead of another thing or person

Question 34

Toxic (adj)

Answer 34

Poisonous

Question 35

Tropical storm (n)

Answer 35

An extreme weather condition with very strong winds and heavy rain that forms over tropical oceans