12. Look at the following international words, guess their meaning and check the pronunciation:

electricity, showman, dramatic, static, sulphur, anatomist, Italian, idea, fanatical, hysteria, experimental, reaction, battery, magnetic compass, focus, secrets, magnetism, extraordinary, construct, demonstration, motor, principle, telecommunication, generate, electrolysis, technology, television, mobile phone. gravity.

Word building

13. Translate the following derivative words:

adjective + -ance / -ence → noun

distant – distance, present – presence, different – difference, substantial – substance;

adjective + -ness, -dom → noun

dark – darkness, quick – quickness, hard – hardness, near – nearness, free – freedom, wise – wisdom;

noun + -al → adjective

exception – exceptional, profession – professional, tradition – traditional, continent – continental, archeology – archeological, sacrifice – sacrificial, history – historical.

14. Form the words using suffixes -ance / -ence, -ness, -dom, -al:

independent, vast, black, white, calm, kind, culture, invitation, computation, fanatic, experiment, coast, intellect, mathematics, culture.

15. Define to what parts of speech the following words belong:

inventor, equipment, worker, freedom, entrance, famous, connection, dangerous, darkness, electrical, economist, traditional, exceptionally, ability, calculation, anatomist.

16. Translate the following words with prefixes into Russian:

co-, re-, ex, inter-: cooperate, intercontinental, ex-president, rewrite, rebuild, coeducational;

bi-, pre-, semi-, counter-: counterattack, bicycle, prehistoric, semicircle, bilingual, semidetached;

post-, mono-, anti-, non-: postgraduate, nonstop, monorail, antifreeze, non-corroding, non-dimensional, postwar;

multi-, trans-, super-, de-: depopulated, supersonic, multimillionaire, transatlantic, transplant, deforested, multiracial;

pro-, sub-, uni-, tri-: submarine, uniform, tricycles, subterranean, probritish, triangle, pro-war;

over-, under-: overwork, underdone, overcharge, undergraduate, underpopulated, overcrowded, underdeveloped, underestimate.

17. Translate into Russian the following phrases:

hot topic in fashionable society, to generate static electricity, ‘animal electricity’, dozens of scientists, life force, like a puppet, rapid and serious advances, the true nature of electricity, the nature of electrical resistance, his keen theoretical insight, a magnetic field, around the same time, to generate huge quantity of electricity, public imagination.

18. Read and match a line in a with a line in b to make sentences. Translate the sentences:

Electricity completely surrounds us. We use electricity in a thousand different ways. Here are some examples.

A B

1) Electric motors turn electricity a) into moving pictures

2) Light bulbs turn electricity b) into X-rays

3) Computers turn electricity c) into heat

4) Telephones turn electricity d) into electromagnetic waves

5) TVs turn electricity e) into motion

6) Speakers turn electricity f) into sound waves

7) Space heaters turn electricity g) into information

8) Radios turn electricity h) communication

9) X-rays machines turn electricity i) into light