1. U.D. 8 THE AGE OF METALS

2. The Age of Metals
 THE METAL IS
TOUGHER THAN THE
STONE.
 FIRST METAL: COPPER

3.  BRONZE: ALLOY OF COPPER + TIN

4. IRON:
 IRON IS HARDER AND
RESISTANT THAN THE
BRONZE .

5. INVENTIONS DURING THE AGE OF
METALS:
 Other inventions during the
Ageo of Metals were:
 WHEEL
 SAILING
 PLOW

6. 4. LIFE IN THE AGE OF METALS
Arise:
 CIVILIZATION.
 TRADE.
 PRIESTS.
 WARRIORS.

7. THE MEGALITHISM
 Large stone
monuments (megaliths)
 For example:
Stonehenge (England).