【精品】人教版高一英语课件：unit16 Period 3精品ppt课件.ppt

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1、人教版高一英语课件：unit16 Period 3Period 3Task1.Go over the text“Franklins famous kite experimentFranklins famous kite experiment”一一.Useful phrases in the text a number of experiments do an experiment fly high in the rainy sky get/become charged a great deal of be made of/from fix/fasten/tie to protect from

2、take care that _ the first thunderstorm came,I took my condenser to a shed in the field _ I could do my experiment.I was beginning to think _ the experiment would not work.Others followed even before the whole string was wet,and I was able to collect and store a great deal of electricity in the cond

3、enser.The experiment proves that lightening and electricity are the same.Whenwherethatand()Task 2:Word StudyRead the text again and tick the sentences containing the words“charge,conduct,cross,sharp,tear and tie.”1.In the eighteenth century,Benjamin Franklin conducted a number of experiments in whic

4、h he showed what electricity is.2.The string was getting charged.3.Most kites are made of paper,but a kite made of silk will not tear so soon in weather with rain and strong winds.4.Build the frame of the kite by making a small cross of two pieces of light wood.5.Third,tie a silk ribbon to string,ju

5、st above the key.6.Fix a very sharp piece of metal to the top of the longer stick of the cross.Task3.Word Formation:Compounds are mainly nouns or adjectives that are made up of at least two parts.These parts can be other nouns,adjectives or prepositions.Can you guess the following words?1.Part1=part

6、 of the body used when we walk Part 2=a round thing to play withPart1+Part2=Answer:football2.Part1=something we put on our feet Part 2=a thing piece of ropePart1+Part2=Answer:shoestring3.Part1=water of ten degrees below zeroPart 2=a medicine to put on your skinPart1+Part2=Answer:ice cream4.Part1=the

7、 colour of most leaves in spring Part 2=the place where the family livePart1+Part2=Answer:greenhouse5.Part1=opposite of upPart 2=a small cityPart1+Part2=Answer:downtown6.Part1=smaller than the ocean Part 2=all the things we eatPart1+Part2=Answer:seafood7.Part1=something you do in your free timePart

8、2=what is under your feetPart1+Part2=Answer:playground8.Part1=The way into a park or yard Part 2=someone keeping or taking care of somethingPart1+Part2=Answer:gatekeeper9.Part1=The opposite of white Part 2=A flat and smooth piece of woodPart1+Part2=Answer:blackboard10.Part1=A piece of furniture with four legs Part 2=A game played by hitting a small ball over a net in a field of grassPart1+Part2=Answer:table tennisDescribe the two parts of some compounds,and let your partner guess what it was.