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Speaking

17. Summarize the text Matter, Elements and Atoms’ in 150 words.

18. You are taking your exam in Physics. Your examination card says: Matter, its definition and basic notions. Your partner is your examiner. Answer his questions and try to get a good mark.

You may begin like this: -Well, what is matter?

Your partner: - Matter is …

19. Divide into 2 groups. Group 1 translates Extract a and group 2 – extract b of the text “Electricity” with a dictionary in writing, paying attention to the use of the Past Simple.

Extract A 

Electricity is simply a movement of charged particles through a closed circuit. The electrons, which flow through this wire carry a negative charge. Electricity is made by converting some form of energy into flowing electrons at the power plant. The type of power plant depends on the source of energy used: thermal power plant (coal, oil, gas, nuclear, underground stream), solar power (photovoltaic), kinetic power (water, wind) and chemical power (fuel cell). After it is made, electricity is sent into a system of cables and wires called a transmission grid. This system enables power plants and end users to be connected.

Electrical phenomena have been studied since antiquity, though advances in the science were not made until the seventeenth and eighteenth centuries. Practical applications for electricity however remained few, and only in the late nineteenth century engineers were able to put it to industrial and residential use. The rapid expansion in electrical technology at that time transformed industry and society.

Extraordinary versatility as a source of energy of electricity means it can be put to an almost limitless set of applications which include transport, heating, lighting, communications, and computation.

Extract B

Electricity remained more than an intellectual curiosity for millennia until 1600, when the English physician William Gilbert made a careful study of electricity and magnetism and distinguished the lodestone effect from static electricity produced by rubbing amber. This association gave rise to the English words "electric" and "electricity", which made their first appearance in print in Thomas Browne's Pseudodoxia Epidemica of 1646. Further work was conducted by Otto von Guericke, Robert Boyle, Stephen Gray and C. F. du Fay. In the 18th century, Benjamin Franklin conducted extensive research in electricity, selling his possessions to fund his work.

Electricity is an extremely flexible form of energy, and has been adapted to a huge and growing number of uses. The invention of a practical incandescent light bulb in the 1870s led to lighting becoming one of the first publicly available applications of electrical power.

With the construction of first intercontinental, and then transatlantic, telegraph systems in the 1860s, electricity enabled communications in minutes across the globe.

20. In Russian write a content-based summary of the text you have translated.

21. Translate into English the summary made in ex.20 of the text you haven’t read.

  1. Make a reverse written translation (from Russian into English) of the extract you have translated.

  1. Serve as simultaneous interpreter. Make an oral reverse interpretation of the text.

24. Find more information about physical and chemical properties of all the substances which occur in nature and tell your group mates.

UNIT V

COVALENT BONDS

Language Work

Past Continuous

Affirmative

I/he/she/it/we/

you/they

was/were

testing/measuring/carrying out etc.

For example:

  •  Yesterday Alex and Jim were carrying out the experiment. They began at 11 o’clock and finished at 12.30. 

  •  I was measuring voltage during my physics class.

Compare Past Continuous (I was doing) and Past Simple (I did): 

Past Continuous

 (in the middle of an action)

was testing a new device when Alex called me. (in the middle of an action)

Past Simple 

(complete action)

tested a new device last week. 

(= all the way, completely)

1.  Fill in the table.

Noun

Verb

Adjective

Adverb

Translation

Transcription

radiate

constructive

production

pulsate

поглощение

heat

force

absorbent

[qb′zO:pSqn] [qb′sO:pSqn](n)

state

perform

bond

create

количество

employ

equip

[I′kwIpmqnt](n)

piece

represent

purify

pure

[pjuq](adj)

примесь

relative

similar

discovery

orbit

таблица

2.  Read and translate the following international words:

Nouns (n): crystal, group, helium, radiation, radium, valence, uranium.

Adjectives (adj): central, covalent, cubic, periodic, vertical, economic(al).

Verbs (v): group, radiate, vibrate.