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1、Unit 5 Meet your ancestors,Group discussion: 1.What does an archaeologist do? 2.What is archaeology? 3. Why do you think archaeology is so important?,What does an archaeologist do?,excavate (挖掘）,examine identify,collect,What is archaeology?,Archaeology is the study of cultures of our ancestors （祖先）b
2、y examining and i_ the remaining objects f_ in the ground during an excavation(挖掘）.,dentifying,ound,Archaeology is of most importance for learning about prehistoric societies, when there are no written records for historians to study, making up over 99% of total human history, from the old stone age
3、 until the advent of literacy（读写能力的出现） in any given society. Archaeology has various different goals,which range from studying human evolution（进化） to cultural evolution and understanding culture history.The discipline（学科） involves survey（调查）, excavation（挖掘） and eventually analysis（分析） of data collec
4、ted to learn more about the past.,Why do you think archaeology is so important?,*What is the object? *What is it used for? *What are modern alternatives?,Group discussion: Identify the objects on page 37.,Have a try,Made of clay or pottery, to light the house, replaced by bulbs.,Made of metal, proba
5、bly bronze, to produce music, replaced by xylophone(木琴）.,Made of stone or jade, to chop sth, replaced by an axe or a kitchen knife.,Made of gold, to cover the face of the dead pharaoh, replaced by a banner.,粘土灯,石斧,编钟,死人面具,A Visit To The Zhoukoudian Caves,One of the most significant archaeological fi
6、nds in the 20th century,What objects are mentioned in the text?,cave,needle,necklace,fire,clothes,Skimming,编钟,Why do scientists assume that they live in caves regardless of cold?,How did they keep warm?,How did they make clothes?,What can prove that they cared about their appearance?,Food,Make-up,Cl
7、othing,Shelter,Why are they called hunters and gatherers?,Why do scientists assume that they live in caves regardless of cold?,Human and animal bones in those caves higher up the hill as well as tools and other objects.,Here “assume” means _.,fancy, imagine or suppose,Here “regardless of” means _.,i
8、n spite of,Shelter,How did they keep warm?,Fireplaces in the center of the caves. They might have kept fires burning all winter. They hung animal skins at the cave mouth to keep out the cold.,Clothing,How did they make clothes?,They wear clothes made from animal _. They used _stone tools to_ _ the a
9、nimals and_ their skin. Then smaller_ were used to clean the fat and meat from the skin. Later, They would _an _ amount of salt inside the skin to make it _. Finally, they would cut it and _the pieces together. On the whole, it is quite a difficult and _ task.,skins,sharpened,scrapers,rub,cut up,rem
10、ove,soft,sew,messy,ample,In the opinion of one student, the necklace they wore is a _ but well _ one.,Some beads were made of animal _ but some were made of _.,bones,shells,Why was the archaeologist convinced of that?,As the botanical analyses have shown us, all the fields around here used to be par
11、t of a large shallow lake.,analysis,primitive,preserved,Make-up,Why are they called hunters and gatherers?,They moved around, following the herds of animals. They picked fruits when it ripened and hunted animals.,Food,Three ways in which the life of our ancestors differs from our own: Homes: Tools: Dress:,caves, perhaps with skins to keep out the cold,scrapers, axe-heads, bone needles,animal skins sewn together with needles and thread, necklaces,