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22. Read the text again and say whether these statements are true or false:

1. At the end of the 18th century magnetism was a hot topic in fashionable society. 2. Galvani believed that he discovered the very force of life, ‘animal electricity’. 3. Experimental scientists were making rapid and serious advances towards understanding the true properties of electricity. 4. Alessandro Volta created the first magnetic compass in 1800. 5. Michael Faraday was among many who tried their hand at keeping the secrets of electricity and magnetism in the 1820s and 1830s. 6. Faraday constructed an ingenious demonstration that showed how a magnet would move in a circle around an electric current. 7. Faraday demonstrated the ultimate unity between all directions, including electricity, magnetism, light and even gravity.

23. Choose among the words in brackets the one that corresponds to the text above to complete the sentences:

1. Scientists and showmen of the day were able to create dramatic sparks by turning a wheel to rub _____ against sulphur to generate static electricity.

(a. glass, b. iron, c. mercury)

2. Alessandro Volta realized that electricity can be ______by a chemical reaction.

(a. created, b. changed, c. processed)

3. Various scientists discovered that electricity would _____ through a complete loop or circuit.

(a. swim, b. run, c. flow)

4. Faraday constructed an ingenious demonstration that showed how an electric wire would move in a _____ around a magnet.

(a. triangle, b. circle, c. square)

5. This principle of electromagnetic induction meant that machines could be built to generate huge _____ of electricity.

(a. amount, b. quality, c. quantity)

6. Faraday went on not just to demonstrate the principle of _____ – the way chemicals are broken down by electricity.

(a. electrolysis, b. hydrolysis, c. magnetism)

24. Complete the sentences according to the text.

1. Using Volta’s battery to give them a supply of electricity on tap, various scientists discovered that … . 2. Andre Ampere learned about …, and Georg Ohm discovered … . 3. The first inkling of a link between two natural forces was… . 4. Faraday’s extraordinary inventive and meticulous; experimental work and his keen theoretical insight put him … . 5. Faraday’s greatest discoveries and achievements are … .

25. Work with a partner. Ask and answer questions to the text using words and word combinations below:

a hot topic in fashionable society in the forefront of all key breakthroughs

‘animal electricity’ the principle of electromagnetic induction

the first battery the ultimate unity between all forces

the first inkling of a link between two natural forces