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:

ü What is invented?

ü Who invented?

ü When?

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

ü What is it made of?

ü 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).

UNIT 6: Beauty in Science.

Beauty is the first test: there is no permanent place in the world for ugly mathematics. Godfrey Harold Hardy