Summary:Water is a chemical substance that has many unique properties. Many of these properties are based on its molecules’ ability to form hydrogen bonds

Exercise 11: Answer the following questions:

1. Why do we say that water is really substance № 1 in our life?

2. What would our world or life be like without water?

3. Can you name and describe the invention made by Celsius?

4. What does chemistry study?

5. Why may water be called oxygen hydride?

6. What are the unique properties of water?

7. What is water’s structure?

8. How does the water’s structure cause water’s unique properties?

Exercise 12: Make your own short report about remarkable chemical compound called water.

Exercise 13: You know that many English words are polysemantic. Can you find equivalents to the following words:

A.

intelligent	несоответствующий (чему-л.), необычный
anomalous	таблица
table	расположение, систематизация
arrangement	резко выраженный, четкий, явный
pronounced	умный, разумный, здравый

B.

the law of the Periodic table specifies	Они устроены особым образом.
They have the same molecular pattern.	к тому же
to possess a pronounced ability to do smth	Вода это требование нарушает.
anomalous compound	разумная жизнь
The boiling points of these compounds are known to gradate.	переход в парообразное состояние
for this reason	закон периодической системы предписывает
intelligent life	обладать ярко выраженной способностью
as it were	Они имеют одинаковое строение молекул.
transition to the vapour state	по этой причине
Water violates this requirement	необычное соединение
nowadays	в этом отношении
They have a specific arrangement.	в наши дни
in this respect	Известно, что точки кипения этих соединений изменяются.

Exercise 14:

Listen to the song http://www.youtube.com/watch?v=WdNecurRAYI and:

1. Try to tell in Russian the main idea of the song;

2. Sing the song together with the authors; try to give a short translation of it.