新课标高一英语Unit16 Scientists at work3 课件VIP免费

Period 3Task1.Go over the text“ Franklin’s famous kite experiment ” 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 take care that… When I had realized that I could use a kite ….二 .Explanation of some sentences1. Benjamin Franklin conducted a number of experiments in ______ he showed ______ electricity is .2. Here is _____ he described one of his experiments.3. Having realized ______ I could use a kite to attract lightening, I decided to do an experiment.()[]whichwhathowthat______ 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 condenser.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 which 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,just 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 no...