Find the spellings for these words

Find the spellings for these words

|ˈmɜːrkjəri| |tɪn| |ˈtʌŋstən| |naɪˈoʊbiəm| |lеd| |ˈɡæliəm| |dʒəːˈmeɪnɪəm| |tɪˈteɪniəm|

 

Match the words (1-9) to the correct meanings (a—i). Give Russian equivalents to all these words

1 assume v a) to have none or not enough of sth

2 apart from prep b) metal thread used for carrying electric current

3 below adv c) to lose heat or cause sth to lose heat

4 benefit n d) no longer possess

5 discover v e) except for

6 cool v f) an advantage that sth gives you; a helpful and useful effect that sth has

7 lack v g) in a lower position (than), under 2 less in number or value

8 lose v h) to find sth for the first time, or sth that had not been known before

9 wire n i) to think or accept that sth is true but without having proof of it

 

Complete the table. Explain the meanings of these derivatives.

WORD FAMILY discover WORD FAMILY lose

Nouns _______ Verbs ________ Nouns ______ Verbs ______

_______ ______ Adjectives ______

WORD FAMILY cool WORD FAMILY wire

Nouns _____ Verbs _____ Nouns ______ Verbs ______

_____ Adjectives _____ ______ Adjectives ______

_____ Adverbs _____ ______

Find synonyms and antonyms

Apart from – except for, slightly- enormously, huge – tiny, expensive-cheap, below – under,

recent –latest, to vary- to change, current- modern, material-substance, to define- to determine,

aim- purpose, powerless- powerful, cooling-heating, within – outside, to apply –to use,

liquid-solid, moreover-besides,

 

Read the article. Which of the facts are not mentioned?

- most superconductors are alloys or compounds - liquid nitrogen is cheaper than liquid

- criteria by which superconductors are classified helium to produce

- the lowest theoretically possible temperature is 0K - alloys of niobium and titanium are

suitable for applications to 10 tesla

Superconductive materials

 

Not all materials show superconductivity. Apart from mercury, the original super conductor, you can find the effect in about 25 other elements (mostly metals such as lead, tin, tungsten, gallium, or semimetals such as germanium) though it's also been discovered in thousands of compounds and alloys (niobium-titanium, germanium-niobium). 1______________________

___________________________________________________________________________. The trouble with most of these materials is that they superconduct only within a few degrees of absolute zero (the lowest theoretically possible temperature: −273.15°C, −459.67°F, or 0K). That means whatever benefit you gain from their lack of resistance, you probably lose from having to cool them down in the first place. The idea of a power plant that gets electricity to your home down superconducting wires sounds brilliant: it would save huge amounts of wasted energy.

2_________________________________________________________________________ This is largely why superconductors have yet to make a really big impact on the world, despite being discovered almost a century ago.

Not given (NG)?

 

1 Most of the physical properties of superconductors vary from material to material, such as the heat capacity and the critical temperature, critical field, and critical current density at which superconductivity is destroyed

 

2 The simplest method to measure the electrical resistance of a sample of some material is to place it in an electrical circuit in series with a current source and measure the resulting voltage across the sample. If the voltage is zero, this means that the resistance is zero.

 

3 Until 1986, physicists had believed that BCS theory forbade superconductivity at temperatures above 30 K.

 

4 Since about 1993, the highest-temperature superconductor has been a ceramic material consisting of mercury, barium, calcium, copper and oxygen with Tc = 138 K.

 

5 In 1950s and 1960s, superconductors were used to build experimental digital computers using cryotron switches.

 

6 The idea of a power plant that gets electricity to your home down superconducting wires is brilliant: it would save huge amounts of wasted energy.

 

7 Practically all materials show superconductivity at temperatures close to absolute zero.

 

8 In 2015 hydrogen sulfide (H2S) has been observed to exhibit superconductivity at below 203 K but at extremely high pressures – around 150 gigapascals.

 

Study the table

	either	neither
союз	-…or…либо…-либо… или…или	-…nor…-ни…, ни…
местоимение	любой (из двух), кто-нибудь	никакой (из двух), никто
наречие	тоже, также	тоже не, также не

 

I like milk. – Me too. (Я люблю молоко. Я тоже)

I don’t like milk. – Me neither. (Я не люблю молоко. – Я тоже)

I don’t like juice. – I don’t like juice either. (Я не люблю сок. – Я тоже не люблю сок.) Или же Neither do I.

Either you do this work just now or I’ll tell your parents.

They want to go either to France or to Italy for summer holidays.

You can have neither juice nor ice cream before dinner.

She eats neither fish nor meat.

 

Give short answers

0.I don’t eat porridge (Mary) – Neither does Mary.

1 I cannot understand him. (we)

2 We are not from London. (I)

3 I didn’t go to the movie. (Nick)

4 I will never talk to him. (my Mum)

5 He hasn’t got any brothers. (my friend)

6 I don’t enjoy this film. (we)

7 She isn’t going to Spain. (he)

8 My friend doesn’t like to play football. (I)

 

Find the spellings for these words

|ˈmɜːrkjəri| |tɪn| |ˈtʌŋstən| |naɪˈoʊbiəm| |lеd| |ˈɡæliəm| |dʒəːˈmeɪnɪəm| |tɪˈteɪniəm|