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1、Unit 13The water planet,Period 1Warming up&Listening,How much do you know about water?,Individual work,Lets have awater Quiz!,1.What state is water in at room temperature?A.water B.solid C.gas2.The chemical structure of water is_ A.two hydrogen and one oxygen atom B.two oxygen atoms and one hydrogen
2、 atom 3.The water molecule is polar,that is,it has_ A.two negative and one positive end B.one negative and two positive end C.one negative and one positive end,4.If you pour water and vegetable oil into one glass,what happens?A.Oil floats on the water.B.Water floats on the oil.C.They mix together.5.
3、Will chalk be dissolved if you put it into water?A.Yes B.No6.Whats the sea water?A.Its a mixture of dissolved gases and solids with fresh water.B.Sea water is lighter than pure water.,7.Does the sea freeze?A.Yes B.No8.Whats heavier,sea water or pure water?A.Sea water B.Pure water9.Put an ice cube in
4、 a glass of pure water,what happens?A.It floats in the water.B.It sinks.10.Put an ice cube in a glass of salt water,what happens?A.It floats on the water.B.It sinks.,1.The piece of paper will cling to the cup because of the air pressure.,Look at the experiments and explain what happens and why.,2.Th
5、e oil will float above the water because ofthe different density of the two.,3.The chalk will be dissolved because the water molecule is polar,it can break down both solids and gases.,4.The ice cube put in the glass with fresh water will float in the water,while the one in salt water will float on t
6、he water because the different density of the water.,Listening,The Rime of the Ancient Mariner(by Samuel Taylor Coleridge),one of the most famous English poems about life on the ocean,which tells a story of an adventurous sea journey.Listen to the story and answer the questions.,The Rime of the Anci
7、ent Mariner,Listen to Part 1 and answer the four questions:,Who tells the story in the poem?What does one of the sailors do?What do you think will happen next?Why are the others sailors frightened?,The story is told by a mysterious guest at a wedding.,He shoots a bird that flies above the ship.,Vari
8、ous answers are possible.,Because the bird is thought to bring good luck to the ship.,Listen to Part 2 and answer the 4 questions:,What happens to the sailors?What happens to the mariner?Why?3.Why is the person telling the story?4.Who is the person that tells the story in the poem?,All the mariners
9、die-except for the one who shot the bird.,Two gods decide that the mariner will live butmust always tell his story.,He has to tell his story to everyone he meets.,The ancient mariner.,Discussing:What can we learn from the story?,All the things living in the natural world have their own value and beauty,it is necessary for human beings to recognize and respect them.we should live in harmony with nature.If,Post-listening activity,
