IV. Get ready to answer the following questions

1. What does the story of a shepherd from Crete say? 2. What did the shepherd find out about a lodestone? 3. When did people begin using a lodestone as a compass?

4. What does the picture of magnetized bodies show? 5. What does a compass consist of? 6. What did the old mariner’s compass look like? 7. What does a modern compass look like?
V. Translate these sentences into native language and define the function of Gerund.

1. Permitting electrons to pass freely through a substance is to conduct electricity. 2. Electrons following through the material is observed until the electron pressure is even throughout. 3. There was much discussing of the new approach to the problem. 4. What is considered important is understanding the nature of the phenomenon. 5. To most of us the mathematical conceptuionof the atom is beyond all understanding.