BASIC SCIENCE

Question 1

A … is an idea which is suggested as a possible explanation for a particular situation or condition, but which has not yet been proved to be correct.

Answer 1

hypothesis

hypothetical

Question 2

If something … what you believe, suspect, or fear, it shows that it is definitely true.

Answer 2

confirms

Question 3

منطقی

Answer 3

logical<>=illogical

rational<>=irrational

Question 4

When you come to a …, you decide that something is true after you have thought about it carefully and have considered all the relevant facts.

Answer 4

conclusion

Question 5

… is the action or process of carefully watching someone or something.

Answer 5

Observation

Question 6

If you … things, you collect them together so that you can use them.

Answer 6

gather

Question 7

A … is something that you say or write which gives information in a formal or definite way. بیانیه

Answer 7

statement

Question 8

the final result of a meeting, discussion, war etc – used especially when no one knows what it will be until it actually happens SYN result

Answer 8

outcome

Question 9

An … is a guess which is based on a certain amount of knowledge and is therefore likely to be correct. برآورد تجربی

Answer 9

educated guess

Question 10

An … is a scientific test which is done in order to discover what happens to something in particular conditions

Answer 10

experiment

Question 11

Something or someone that is … is reasonable, right, and just.

Answer 11

fair

Question 12

A … is a rocket or other vehicle that can travel in space.

Answer 12

spacecraft

Question 13

A … is a space vehicle that is shaped like a long tube.

Answer 13

rocket

Question 14

To … a rocket, missile, or satellite means to send it into the air or into space.

Answer 14

launch

Question 15

… is the force which causes things to drop to the ground.

Answer 15

Gravity

Question 16

If you … something or someone in a particular direction, you move them in that direction, usually by pulling them gently.
He … his chair nearer the fire.

Answer 16

draw

Question 17

If you move or look …, you move or look towards the ground or a lower level.
Benedict pointed … again with his stick.

Answer 17

downwards<>=upwards

Question 18

An … is a person who is trained for travelling in a spacecraft.

Answer 18

astronaut

Question 19

An … is the curved path in space that is followed by an object going round and round a planet, moon, or star.
If something such as a satellite …s a planet, moon, or sun, it moves around it in a continuous, curving path.

Answer 19

orbit n/v

Question 20

… information, measurements, and statistics are correct to a very detailed level.

Answer 20

Accurate

Question 21

If you … something that is flat or straight, you use force to make it curved or to put an angle in it.

Answer 21

bend

Question 22

A … is a smooth, gradually bending line, for example part of the edge of a circle.انحنا

Answer 22

curve

Question 23

If you … an event, you say that it will happen.

Answer 23

predict

Question 24

If you … something, you check that it is true by careful examination or investigation.

Answer 24

verify

Question 25

ژن

Answer 25

gene

Question 26

The ... of an atom or cell is the central part of it.

Answer 26

nucleus

Question 27

If you ... something, you stop it spreading, increasing, or continuing. The organisation took steps to ... the flow of information coming from its head office.

Answer 27

stem

Question 28

آبزی

Answer 28

marine

Question 29

پستاندار

Answer 29

mammal

Question 30

If someone or something is a ... of another person or thing, they are so similar to this person or thing that they seem to be exactly the same as them. همسان

Answer 30

clone

Question 31

An ... is an unborn animal or human being in the very early stages of development. جنین

Answer 31

embryo

Question 32

اسید | قلیا یا باز

Answer 32

acid | alkali

Question 33

خمیر مایه | ... is used for baking bread.

Answer 33

yeast

Question 34

A ... is a solid, powder, liquid, or gas with particular properties. ماده What sort of ... could withstand those temperatures?

Answer 34

substance

Question 35

... is a fairly firm mixture of flour, water, and sometimes also fat and sugar. It can be cooked to make bread, pastry, and biscuits. خمیر

Answer 35

Dough

Question 36

If something ... or ..ed, it becomes larger.

Answer 36

expand

Question 37

... are small balls of air or gas in a liquid.

Answer 37

Bubbles

Question 38

اسفنجی

Answer 38

spongy

Question 39

If you ... an object into something, you push it quickly or violently into it. A soldier ... a bayonet into his body.

Answer 39

plunge

Question 40

A ... is a substance that gives something a particular colour. رنگدانه

Answer 40

pigment

Question 41

If cloth or clothing ..., it becomes smaller in size, usually as a result of being washed.

Answer 41

shrinks

Question 42

When a coloured object ... or when the light ... it, it gradually becomes paler.

Answer 42

fades

Question 43

If something ... you, you cannot understand it or explain it.

Answer 43

baffles

Question 44

The ... of something are the results or effects of it. | Her lawyer said she understood the ... of her actions and was prepared to go to jail.

Answer 44

consequences

Question 45

If you suffer ..., you do not have or are prevented from having something that you want or need. Millions more suffer from serious sleep ... caused by long work hours. محرومیت - فقدان

Answer 45

deprivation

Question 46

If you ... someone ... something that they want or need, you take it away from them, or you prevent them from having it. The disintegration of the Soviet Union ... western intelligence agencies ... their main enemies

Answer 46

deprive sb of sth

Question 47

If you describe someone as ..., you mean that they do not take action but instead let things happen to them. منفعل - تابع His ... attitude made things easier for me.

Answer 47

passive=<>active

Question 48

If something is ..., it happens at regularly occurring intervals.مکرر More than 60 percent of .... costs were attributable directly to materials, products, and services purchased from external suppliers.

Answer 48

recurring | recur v

Question 49

ماهیچه - عضله

Answer 49

muscle

Question 50

If something, especially a part of your body, ... or if you ... it, it makes a little jumping movement. تیر کشیدن - تند تند تکان خوردن When I stood up to her, her right cheek would begin to twitch

Answer 50

twitches

Question 51

A ... is the repeated or regular way in which something happens or is done. All three attacks followed the same ... .

Answer 51

pattern

Question 52

If someone is ... by an accident or an illness, they have no feeling in their body, or in part of their body, and are unable to move. فلج از کار افتادگی

Answer 52

paralysed

Question 53

If you ... ... an event which has happened, you copy the actions which took place and make them into a play. I used to come home and ... the movie for the kids.

Answer 53

act out