Строительные материалы

1. CONSTRUCTION MATERIALS

СТРОИТЕЛЬНЫЕ МАТЕРИАЛЫ

2.

Brick кирпич
Cement цемент
Concrete бетон
Glass стекло
Marble мрамор
Plastic пластик
Stone камень
Wood дерево

3. METALS

МЕТАЛЛЫ

4.

1.
2.
3.
4.
5.
6.
7.
8.
9.
Aluminium10.
алюминий
11.
Brass-медь
12.
Bronze-бронза
13.
Copper-медь
14.
Gold-золото
15.
Iron-железо
Lead-свинец
Magnesium-магний
Mercury-ртуть
Nickel-никель
Silver-серебро
Steel-сталь
Tin-олово
Zinc-цинк
Alloy-сплав

5. 1. Answer the following question:

1.
2.
3.
4.
What was the first metal used by man?
What was the first alloy?
When did people start to use iron?
How many metals did the man know in ancient
times?
5. How many metals are produced and used
nowadays?
6. What are the ten most spread elements?
7. What does metallurgy deal with?