3 Part One. The Predicate

Section III
Ex. 1. Ask your fellow students to do or not to do the following:

1) go to the blackboard; 2) open the door; 3) write the words on the blackboard; 4) clean the blackboard; 5) read the text aloud; 6) translate the sentence; 7) ask you about something

Ex. 2. a) Check up if you remember the following expressions:

Will you do it? Would you tell me? Don’t you mind? Shall I read?

b) Translate the sentences into English using the above expressions.

1. Agar sizga savol bersam, qarshi emasmisiz? 2. Iltimos, qonun nima ekanligini ayting. 3. Javob berishim kerakmi? 4. Dalton o'zining atom nazariyasini rivojlantirganmi? 5. Siz qarshi emasmisiz ovoz chiqarib o’qisam? 6. Matnni o'zingiz o'qib chiqdingizmi? 7. Iltimos, kimyo qanday o'zgarganligini aytib bering. 8. Men buni hozir qilishim kerakmi yoki bu uy vazifasimi? 9. Ushbu matnni lug’atsiz o'qimang: bu juda qiyin.

Ex. 3. Make up sentences with the following words and expressions:

1) fact, idea, explain, hypothesis, conclate; 2) law, represent, statement, about, facts, observe; 3) chemist, atomic, long ago, know, theory; 4) in the latest years, change, chemistry, revolutionary; 5) science, principle, scientific, chemistry

Ex. 4. Give detailed answers to the following questions:

1. What is the difference between a theory, a law and a hypothesis? 2. What are the two meanings of the word “theory”? 3. What laws in chemistry do you know? 4. How did Dalton’s atomic hypothesis gain the status of a theory?

Ex. 5. Discuss the following topics:

1. Dalton’s Atomic Theoiy.

2. The Changes in the Atomic Theory since Dalton’s Time.

3. Chemistry as a Science. 4. What Scientists Know about the Structure of Substances.

DO YOU KNOW THAT...

М. V. Lomonosov (1711-1765) contributed greatly to the theoretical development of physics, astronomy, geography, mineralogy and other sciences. He worked out his own corpuscular theory and its chemical application. His corpuscular theory was the basis for the future development of the atomic theory. He is the founder of Russian physicochemical science.