英语九年级冀教版Lesson 25 Let’s Do an Experiment! 课件(共19张PPT).ppt

1、 a jarsome paper waterSHIYANQICAI实验步骤(watch carefully)1.Fill the jar with water.2.Cover the top of it with a piece of paper.3.Turn the jar upside down and take off your hand.Can you guess what will happen?（每组出一名学生演示实验）Lesson 25:Lets Do an Experiment!Learning Aims(齐声朗读）【学习目标】1.牢记本课黑体单词和短语。（重点）2.培养我们的

2、阅读能力。（重、难点）3.积极探究合作，运用知识点。比一比，看谁记得快！（5分钟）重点短语1.用装满 fillwith 2.用盖住 coverwith 3.一片，一块a piece of 4.把翻转turnupside down 5.把拿开take off 6.涌出pour out 7.科学方法scientific method 8.足够强壮strong enough 9.做实验do an experiment10.的压力the force of.11.从.中得出/推断conclude from.12.强迫某人做某事force sb.to do sth.写一写！板演：二组 A2四组 A2六组

3、A2八组 A2一读：读课文，判断句子正误。n Answers:F F T T F二读：Read and answer（5分钟仔细读对话）1.Where does Danny think they should do the experiment?2.What keeps the water in the jar?3.Is Jenny sure of her theory?How do you know?4.Why does Danny put on his raincoat?5.What does Danny conclude?点评时间1组A13组A15组A17组A1探究时间1.独学、对学（5

4、分钟）2.群学（3分钟）（要求：组内起立交流讨论）Cooperation and Discussion1.fillwith be filled with2.coverwith be covered with3.take off4.adjadv+enough adj adv+enough to do sth.5.turnupside down试总结与turn 搭配的短语Cooperation and Discussion onoffoutturn updownTest in class.完成句子。（3分钟）1.Mr.Liu wants to buy an expensive car,he has

5、_.(足够的钱）2.-Is that bicycle_?(够新）-Yes.3.Children,if you have_(足够的时间），please do more reading.4.She turned her purse _（倒过来）and found 50yuan.5.I have a good friend _(call)Dony.Test in classn.用full,fillwith,filled填空。（2分钟）n 1.The box is _with pens.n 2.Look up the cup is _of hot water.n 3.The chemistry teacher _the bottle _water.训练案1.Read the experiment and try to do it in this lesson after class.2.完成“练习册”，