1、 Unit 4 Look into Science！Do you think what will happen?Lesson 25Lets Do An Experiment!1.掌握重点单词及短语。2.复习巩固一般将来时。3.会运用英语描述实验过程。4.通过做实验，培养热爱科学的人生观和价值观。Learning AimsVocabulary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；
2、办法 science n.Listen and Find outHow do they do the experiment?(steps)What do Brian and Danny need when they do the experiment?fillwith;coverwith;turnupside down.water,a jar,a piece of cardboard1.2.3.1.What will Brain do?2.Why does Danny say they should do this experiment outside?3.Whats Brains theor
3、y?QUESTIONSRead the text and answer the questions.He will do an experiment.Because Danny thinks the floor will get wet.Brian is sure the floor wont get wet.Main Sentences1.I fill a jar with water.我用水把瓶子装满。fill with用装满 He has filled his case with many books.他已经把书装满了箱子。coverwith 用盖住upside down 的意思是“向下
4、翻转过来”.You hold the book upside down.你把书拿倒了。right side up 是“正面朝上”的意思That picture is upside down.Repeat how to do the experiment1.Fill the jar with water.2.Cover the jar with a piece of cardboard.3.Turn the jar upside down.The force of the air will keep the water in the jar.Theory:New words:Science,sc
5、ientific,experiment,fill,prove,method,theory,jar,observe Phrases:be filled with be full of cover with /be covered with turn upside down SUMMARY 1.He _ the stockings _ Christmas presents.（用装满）2.My mother is holding the book _ _.（倒着）3.My brother _ the glass _ a piece of glass.(用覆盖）filledwithupside downcoveredwith巩固练习（分层作业）1.All of the students recite the2.new words and key points.3.Write a passage how to do an experiment.2.Number5,6做导学测评基础题.Number1,2,3,4做导学测评基础，能力和拓展题。
