12 Puzzle out the crossword:

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1. механик. 2. часть, элемент. 3. замок. 4. мост. 5. крыша. 6. площадка. 7. строить. 8. бетон. 9. строительство. 10. лесоматериал. 11. пещера.12. глина. 13. сплав.14. городской. 15. кирпич. 16. газ. 17. архитектура. 18. видоизменение. 19. цемент. 20. викторина. 21. стекольщик.

13 Find and correct 10 mistakes, both spelling and grammar, in each text:

1. Most granites are hardly and dense, and thus form high durable building materials, virtually impermeable to water, resistant in impact damage and stable within industrial environments. The appearance of granite is significantly affect by the surface finish which may be saw, rough punched, picked, fine tooled, honed or polished. It is, however, the highly polished form of granite which are most effective at displaying the intensity of the colours and reflectivity of the cristals. Granite is available for flooring and for hard landscaping including pavings, setts and kerbs. Polish granite is also useing as a kitchen countertop material due to its strengf, durability and high-quality finish (10 mistakes).

b) The use of cast stone begins in the second century in Europa, where it was maked specifically for castles and churches. The molds allowed masons to be much most precise in their sculpting and to repeat the same kreation over and over again. As the centuries pass, cast stone became more popular as a component of manors and mansions, where builders used it to add designs to the corners of builders or to provided a stone sheet to cover brik walls. By the 1900s, cast stone had been using in a variety of construction projects (10 mistakes).

14 Audio “Igneous, Sedimentary and Metamorphic Rocks”.

Listen to the information twice and be ready to answer the questions below (1-12):

1. What types are rocks grouped into?

2. Where does igneous rock form?

3. What is magma? What is the difference between magma and lava?

4. What igneous rock is formed below ground level?

5. Where is basalt formed?

6. What are sediments?

7. How is sedimentary rock formed?

8. How are limestone and chalk appeared?

9. When did carboniferous period exist?

10. What are the perfect conditions for the organisms to form carboniferous limestone?

11. How are sandstone and clay formed?

12. How are marble and slate formed?