After reading activity

Task 5. Answer the following questions:

1. What did ancient Greece Thales observe?

2. Who experimented with generating electricity in 1650-1750?

3. What was Volta famous for?

4. How was electricity being studied between 1800-1832?

5. What was the principle of Faraday’s experiments?

6. What was the next step in the evolution of electrical energy storage?

7. What improvements have been made since the beginning of 2000?

8. Why is electricity so important in everyday life?

Task 6. Decide which of the following statements are true (T) or false (F):

1. People first have seen the electricity in the form of weather phenomenon.

2. Most important experiments with the electricity have been conducted by few well-known scientists.

3. First source of the power consisted of two different materials in electrolyte.

4. Alessandro Volta has discovered first storage battery which was called after his name – a Voltaic cell.

5. First experiments with electricity were held by physicist Otto von Guericke in 1750.

6. The galvanometer was firstly used to separate water constituents into hydrogen and oxygen.

1	2	3	4	5	6
T	T	T	T	T	T
F	F	F	F	F	F

Task 7. Match the words with their synonyms:

ancestor property muscular abandon source reaction fluid interaction alternating commonly

strong liquid attribute response forefather cooperation variable desolate usually origin

Task 8. Write down the antonyms of the next words as in the example:

Example: 0. famous – u_____n (unknown);

1. different – s ______ r;

2. alternating – c ________ t;

3. modern – o __________ d;

4. improve – w _________n;

5. connect – d __________ t;

6. mobility – c __________ y;

7. separate – c __________ e;

8. positive – n __________ e.

Task 9. Complete the sentences with the appropriate words from the text:

1. The number of competitions remained __________ over these five years.

2. _________ enough electricity to power homes of around eight million people.

3. This special metal shield will _______ a bullet from its course.

4. A guiding _________ was "allowing the community group to take control".

5. Nature begins from causes, and thence descends to __________.

6. ________ the truth of what i said.

7. One of the most important ___________ was a line of massive limestone blocks.

8. Bronze age it is a highly specialized foundry using the lost wax method to cast works in bronze and other non-ferrous _________.

9. __________ has been used in jewelry since antiquity. It is found chiefly along the southern shores of the Baltic Sea.

10. He remaining isolates, from two locations, appeared to comprise a _________of races.

Task 10. The definitions of the words are given. Find them in the text:

1. _________ – a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact (noun).

2. _________ – a device for varying the effective aperture of the lens in a camera or other optical system (noun).

3. _________ – the action or process of discovering or being discovered (noun).

4. _________ – able to be easily carried or moved, esp. because of being a lighter and smaller version than usual (adjective).

5. _________ – a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent) (noun).

6. _________ – a person who invented a particular process or device or who invents things as an occupation (noun).

7. _________ – the ratio of the useful work performed by a machine or in a process to the total energy expended or heat taken in (noun).

8. _________ – chemical decomposition produced by passing an electric current through a liquid or solution containing ions (noun).

9. _________ – the chemical element of atomic number 30, a silvery-white metal that is a constituent of brass and is used for coating (galvanizing) iron and steel to protect against corrosion (noun).

10. _________ – a supposition or a system of ideas intended to explain something, esp. one based on general principles independent of the thing to be explained (noun).

Task 11. Rearrange the letters in each jumbled word to get a correct one. Make up sentences with the correct words. The first is done for you:

Example: 0. ttecyclerii – electricity; In the UK, its power stations generate enough electricity to power homes of around eight million people.

1. glghntnii

2. nacetros

3. epprotyr

4. abenondda

5. bsuergem

6. eintratinco

7. tcosisetnn

8. eselcrolyist

9. lsouonti

10. tybatre

GRAMMAR