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1、八年级英语公开课 教师：魏晓莉 时间：2013/04/01,Lesson25:Lets Do an Experiment!,Vocabulary,科学,theory n.,experiment n.,实验；试验,fill v.,scientific adj.,jar n.,upside n.,prove v.,observe v.,method n.,广口瓶；罐子,理论；学说,装满,证明；证实,上部；上边,观察；监视,科学的,方法；办法,science n.,1.What will Brain do?He will do an experiment.2.Why does Danny say t
2、hey should do this experiment outside?Because Danny thinks the floor will get wet.3.Whats Brains theory?Brian is sure the floor wont get wet.,Questions,1.用把装满 _ 2.用把盖住 _3.我(不)确信 _4.正面朝上 _5.把翻转_6.get wet _ 7.do an experiment _8.a piece of cardboard _9.the scientific method_10.another way of _,fillwit
3、h,cover with,I am(not)sure,right side up,turn upside down/turn over,变湿,做一个实验,一块硬纸板,科学的方法,另一种说法,Find and fill:,Main points:,1.I fill a jar with water.我用水把瓶子装满。fill with“用装满”be filled with=be full of“充满”,eg:He has filled his case with many books.他已经把书装满了箱子。,2.I turn the jar upside down.我把广口瓶倒置。,upside
4、 down 的意思是“向下翻转过来”.eg:You hold the book upside down.你把书拿倒了。right side up 是“正面朝上”的意思,be sure+that 从句表示“认为一定”be not sure+疑问词引导的从句,表示“不确定”常见用法:be sure of sth,be sure to do sth,eg:Im sure they will come here.我确信他们会来。,3.Im sure the floor wont get wet.我确信地板不会湿。,Im not sure when Dannyll come here.我不能确定丹尼什么
5、时候来这儿。,4.Well do the experiment and observed what will happen.我们将做这个实验并观察会发生什么情况。observed 动词,“观察”。observe sb.do/doing sth.,eg:I observed her dance.我看过她跳舞。When I passed by the grass,I observed him walking.当我走过草地时，看见他正在散步。,First,I _ a jar _a desk,_it _ water.Then _the top _ a piece of cardboard.Finall
6、y,I _the jar _ _.Can you guess what will happen?,put,on,fill,with,cover,with,turn,upside,down,How do we do the experiment,Lets do it!,Step 1 Preparation:（准备）Make a list of the materials and tools that we were used in the experiment.Step 2 Theories:Write down two different theories.1.The floor will g
7、et wet 2.The floor wont get wet.,water,a jar,a piece of cardboard.,Step 3 Main steps:Write down the steps of doing the experiment:1.Fill a jar with water.2.Cover the top with a piece of cardboard.3.Turn the jar upside down.Step 4 Result:(结果)Write down the result of the experiment:The force of air wi
8、ll keep the water in the jar.,He _ the stockings _ Christmas presents.（用装满）,Please pass me a bottle _ water.A.full with B.filled of C.filling with D.full of,My mother is holding the book _ _.（倒着）,My brother _ the glass _ a piece of glass.我弟弟用一块玻璃盖住了那个杯子。,我肯定他会来。_ _ _ he will come.,filled,with,D,upsi
9、de down,covered,with,I am sure,Practice,New words:science,scientific,experiment,fill prove,method,theory,jar,observe Phrases:fillwith,be filled with=be full of upside down，right side up observe sb.do/doing sth.Sentence Patterns:,sb.be sure+that 从句sb.be not sure+疑问词引导的从句,Summary:,Homework,请根据课文内容,以“An Interesting Experiment”为题写一篇作文60词左右。,Thank you for listening!,
