Ex. 12 Answer the questions to Text 3B.

1. Would it be possible to power you laptop without having to worry about charging its batteries or running a television somewhere that isn't close to an outlet in the future?

2. Who has made significant strides in making wireless power a reality by developing "WiTricity."?

3. Who has already demonstrated a light bulb that draws its power over the air rather than through an electrical cord?

4. Is it predicted that in the future electricity will take on an even more prominent role in our lives?

5. Will electricity be used to power anything and everything in future?

6. What may further increase our dependence on electricity?

7. What cars are now becoming more and more common?

8. What kind of sources already cover around a third of our electricity consumption?

9. What does an electricity market do?

10. What does competition among electricity providers ensure?

Ex. 13 Match the words with their synonyms.

1. to power	a. safety
2. dependence	b. need
3. outlet	c. ordinary
4. common	d. outstanding
5. prominent	e. to charge
6. security	f. addiction
7. demand	g. socket

 Ex. 14 Match column A to column B to make up a word combination.

1. light	a. batteries
2. environmentally	b. future
3. electricity	c. security
4. significant	d. compatible
5. ensure	e. bulb
6. charge	f. consumption
7. predict	g. strides

Ex. 15 Fill in the gaps with the suitable word.

A. security, b. prominent, c. common, d. efficiency, e. t ransformed , f. rare, g. third

1. What electricity is likely to be 1.______ into.

2. It is predicted that in the future electricity will take on an even more 2.____role in our lives.

3. A few years ago these vehicles were pretty 3.____ but they are now becoming more and more 4. _____.

4. Competition ensures 5._____ and cost-efficient supply services.

5. Renewables already cover around a 6._____ of our electricity consumption.

6. The electricity market must ensure 7._____ of supply.

Ex. 16 Watch the film “ Smart Power Generation: The Future of Electricity Production” and answer the questions.

https://www.youtube.com/watch?v=TD0jZciQcaE

1. Why a new a new approach in managing and controlling our production and distribution systems is absolutely essential?

2. What were the power systems created to do?

3. What is existing generation capacity based on?

4. Why the benefits of wind and solar power cannot be realized?

5. What needs to be added to the system to balance supply with demand?

6. Are renewables fully utilized, always used first when available and never wasted?

7. Is gas or oil the fuel that can enable a sustainable low-carbon power system?

8. What is required for the transition to a sustainable reliable and affordable energy infrastructure?

Grammar

Ex. 17 Change the sentences below into the Passive Voice using the Perfect Tenses.

1.   By the beginning of the 17^th century William Gilbert, an English scientist, had already experimented with magnetism and static electricity.

2.   The electrical engineers will have disconnected all the electrical installations and equipment by the end of the week.

3.   By the end of 18^th century Franklin had conducted extensive research in electricity.

4.   This scientist has already carried out the experiments with electricity.

5.   The experts promise that they will have repaired the electrical equipment by the next morning.

6.   The engineers of our laboratory have done all preparations for testing the electrical equipment.

7.   By 1730 scientists had noticed a close interaction between electricity and magnetism.

8.  Scientists have paid particular attention to the means of improving the properties of electric materials.

9.   Electromagnet induction has produced an electric current in the field coils of a generator.

10.   The step-up transformers have reduced amperage and increased voltage.

11.  Electricity has provided mankind with the most efficient source of energy.

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