Unit 16 Scientists at work

1.give instructions

2.an argumentative essay

3.give an example of sth

4.it is a waste to do sth/doing sth

5.discoveries and applications

6.mean doing sth

7.make any noise

8.make use of sth

9.pollute the air

10.bring sb comfort

11.be dangerous/in danger

12.be famous for/be famous as

13 make some discoveries

14.attract lighting

15.a number of/the number

16.in the rainy day

17.on the string

18.stand up

19.a great deal of sth

20.tie to/fasten to

21.fly the kite

22.protect from

23.be better to do sth

24.do this experiment

25.conduct electricity

26.store electricity

27.come over

28.all over his maths homework

29.around her neck

30.the sharp sense of smell

31.feel a sharp pain

32.tear down

33.end in a tie

34.the description of sth

35.test new medicine

36.test products

37.become skilled

38 no doubt

39.take care of sth

40.have no right to do sth

41.agood title for sth

42.go against

43.the title for sth

44.do with sth

45.be made up of

46.no doubt