4. Complete the sentences

1. Lightning is the purest and the most basic form of …...............................................

2. Benjamin Franklin discovered electricity through the experiment of flying a kite during a ….....................................................................................................................

3. This has become Faraday’s great contribution to ….................................................

4. Thomas Edison invented the electric …....................................................................

5. Edison’s invention of the electric light bulb was …..................................................

6. Michael Faraday built a generator and transformer and this has become his great contribution to................................................................................................................

7. B. Franklin, M Faraday, Volta, T. Edison are the most famous names in the history of …...................................................................................................................

8. Volta discovered that chemical reactions could be used to create ...................... .......................................................................................................................................

9. Thomas Edison’s invention of the electric light bulb led to the creation of …...................................................................................................................................

10. It will not be wrong to describe electricity as............................................................

IV. Analyze

1. Match the words with their Russian equivalents

1 kite	a электрическая лампочка
2 lightning	b напряжение, потенциал
3 application	c широко используемый
4 to require	d уникальный, единственный в своём роде, исключительный
5 contribution	e применение, использование, употребление; приложение; применимость
6 unique	f изобретать, создавать
7 bulb	g вклад, ценные достижения
8 to invent	h молния
9 potential	i приказывать, требовать
10 widely-used	j воздушный змей

2. Give the English equivalents

применение новых технологий...................................................................................

широко используемый.................................................................................................

место приложения силы..............................................................................................

приказывать, требовать...............................................................................................

лампочка перегорела....................................................................................................

вкрутить лампочку.......................................................................................................

трансформатор.............................................................................................................

молния...........................................................................................................................

обнаруживать, находить; заставать............................................................................

вклад..............................................................................................................................

устройство....................................................................................................................

изобретение..................................................................................................................

открытие.......................................................................................................................

опыт...............................................................................................................................

электрический ток........................................................................................................

3. Put the words in the correct word order

1. the / most / and / lightning / is / purest / basic / electricity / form / of / .

2. electricity / by / during / Benjamin Franklin / a / discovered / kite / a / thunderstorm / flying / .

3. inside / could / a / moving / make / magnet / electricity / a / coil / wire / .

4. to / the / build / was / able / first / motor / Michael Faraday / electric / .

5. light / the / unique / the / one / invention / of / bulb / was / a / electric / .

6. the / bulb / invention / of / the / power / to / the / led / electric / creation / of / electric / an / system / .

7. was / motor / first / to / the / build / able / Michael Faraday / electric / .

4. Prove the following statements

1. A chain of inventions of electricity led to the modern-day use of electric power.

2. Michael Faraday made a great contribution to the field of electromagnetism.

3. The history of electricity runs from the period before Christ up to the computer age today.

5. Match the words with their English definitions

1 electromagnetism	a an apparatus for reducing or increasing the voltage of an alternating current
2 bulb	b create or design something that has not existed before; be the originator of
3 anode	c a thing made or adapted for a particular purpose, especially a piece of mechanical or electronic equipment
4 to invent	d a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact
5 device	e an expanded part of a glass tube such as that forming the reservoir of a thermometer.
6 experiment	f a flow of electricity which results from the ordered directional movement of electrically charged
7 generator	g the negatively charged electrode by which electrons enter an electrical device. The opposite of anode
8 transformer	h a dynamo or similar machine for converting mechanical energy into electricity
9 current	i the positively charged electrode by which the electrons leave an electrical device. The opposite of cathode
10 cathode	j the phenomenon of the interaction of electric currents or fields and magnetic fields.