31. In pairs ask and answer questions based on the text "Sir Isaac Newton" (Further Reading to unit 5).

32. You've read some interesting information about one of the scientists and you want to share this information with your friends.

LISTENING

33. You are going to listen to some information about Nikola Tesla. Before you listen, check if you know what the following words and phrases mean. elusive solution, rotating magnetic field, to harness, divergence, to climax

34. Listen and decide whether the following statements are true or false.

1. N. Tesla studied at the Politechnic Institute in Austria and Prague and, firstly, he wanted to specialize in electricity.

2. In Budapest in the park he explained his friend the principle of the induction motor.

3. Charles Batchelor wrote a recommendation letter in which he said about two great people. One of them was N.Tesla and the other one was T.Edison.

4. In New York N.Tesla began a war with Edison.

5. N.Tesla suggested using the alternating current instead of direct one offered Edison.

1	2	3	4	5

35. Complete the sentences with necessary information.

1. N.Tesla symbolizes a unifying force and inspiration for all nations .......

2. In Strassbourg in 1883, he privately built ..........

3. His childhood dream was to come to America .......

4. Why not build generators that would send electrical energy along distribution lines first one way, than another, in multiple waves .....?

36. How else did N. Tesla contribute to the society? Find additional information about N. Tesla and share this information with your fellowmates.

WRITING

37. Write comments on one of the following quotations.

1. "It would be possible to describe everything scientifically, but it would make no sense; it would be without meaning, as if you describe a Beethoven symphony as a variation of wave pressure."Albert Einstein

2. "Science ... never solves a problem without creating ten more" George Bernard Shaw

3. " Science is what you know, philosophy is what you don't know" Bertrand Russell

4. " Science cannot resolve moral conflicts, but it can help to more accurately frame the debates about those conflicts." Heinz R. 

5. "Science is built up of facts, as a house is built of stones; but an accumulation of facts is no more a science than a heap of stones is a house" Henri Poincar

38. You want to create an Internet site "Scientists − Wikiquote". Choose one of the scientists (in the field of mathematics or physics) and find quotes of this scientist about science. Write down these quotes (not less than 5).

39. Work in small groups. You are asked to create a crossword devoted to science and scientists. Then offer it to your fellowmates to solve.

40. Work in pairs. Now you are taking part in the Project "Inventions of the 20th century". Choose the inventions that you like and cover the following information:

• What is invented?

• Who invented?

• When?

• History of invention if it is. or Why such a name (if it is known)?

• What is it made of?

• Its advantages.

You may use the suggested pictures.

PROBLEM-SOLVING

41. Try to understand a famous puzzler's logic (see Problem-Solving to UNIT 5).