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1、课时 31Lesson25: Lets Do an Experiment!Step1：复习巩固、激情导入复习：提问 unit3 重点词组和句型 导入：Do you like to do experiment? What experiment have you done?Step2：出示目标、明确任务1.牢记本课黑体词汇：science/experiment/fill/prove/scientific/method 等； 2.能分角色表演对话； 3.背诵重点句子 1-5，并灵活运用相关知识点。Step3：自主学习、合作探究任务一：限时 5 分钟，熟读所有词汇，牢记黑体词汇 任务二：熟读对话，把握
2、其意，画出不理解处，同桌之间交流 任务三：背诵重点句子，并自学知识点，画出不理解处，同桌之间交流1.I fill a jar with water. 2.I turn the jar upside down. 3.Im sure the floor wont get wet. 4.We can prove whos right. 5.Well do the experiment and observe what will happen.Step4：师生互动、展示提升互动一：单词记忆比赛 互动二：对话熟读接力赛 互动三：知识点展示大比拼 知识点一：I fill a jar with water.
3、 fill.with.意为“ 用.装满. ” be filled with.=be full of.意为 “充满.” fill in. 意为“ 填上.;填充.”Eg: On hearing the news, her eyes are filled with tears. They filled the hole with water. Fill in the blanks. 知识点二： I turn the jar upside down. Turnupside down 意为“把翻转/倒过来” upside down 意为“正面朝下” right side up 意为“正面朝上”Eg: T
4、hat picture is upside down. You hold the book upside down. 知识点三：Im sure the floor wont get wet. be sure （that）从句,意为“肯定，确定”主句的主语必须是人 否定形式是 be not sure+疑问词引导的从句.Eg: Tom is sure that he will win the game.Tom is not sure whether he can win the game. Im not sure when hell come here. 知识点四：We can prove who
5、s right. prove 是及物动词,意为“证明,证实” 常用于以下结构:prove sth.(to sb.);prove(to sb.)that.;prove.(to be)+adj/n. Eg： The fact has proved the mans honesty to us all.=The fact has proved to us all that the man is honest. =The fact has proved the man (to be) honest. prove 也可以作不及物动词,意为吧“证明表明(自己)是.”后跟形容词或名词. Eg： My the
6、ory will prove right some day.During the trip,he proved a man with a strong will. 知识点五： Well do the experiment and observe what will happen. (1)observe 是动词,意为 “观察”observe sb. do sth. observe sb.doing sth. 用法同 see/watch/hear 等Eg: I observed her dance. When I passed by the grass,I observed him walking
7、. （2）happen vi 意为“发生” 【固定短语】sth happens to sb（无被动语态） Happen to do sth Eg: What has happened to you？I happened to meet an old friend yesterday.Step5：巩固练习、检测验收教学反思：课时 32Lesson26: One Wet Danny?Step1：复习巩固、激情导入复习：提问 Lesson25 知识点 1-5 导入：Why is Danny going to wear his swimsuit?Step2：出示目标、明确任务1.牢记本课黑体词汇：fo
8、rce 等； 2.能分角色表演对话； 3.背诵重点句子 1-4，并灵活运用相关知识点。Step3：自主学习、合作探究任务一：限时 2 分钟，熟读所有词汇，牢记黑体词汇 任务二：熟读对话，把握其意，画出不理解处，同桌之间交流 任务三：背诵重点句子，并自学知识点，画出不理解处，同桌之间交流 1.Brian，Jenny and Danny are talking about their experiment.2.The force of the air will keep the water in the jar. 3.Brian will turn the jar over. 4.I will a
9、sk the class to make observations and guess what will happen.Step4：师生互动、展示提升互动一：单词记忆比赛 互动二：能分角色表演对话 互动三：知识点展示大比拼 知识点一：Brian，Jenny and Danny are talking about their experiment. 【固定词组】talk about 意为“谈论” talk to sb 意为“对某人说” talk with sb 意为“和某人谈论” 知识点二：The force of the air will keep the water in the jar.
10、 Force n 力量、武力、暴力 Eg：The force of human is great.V 迫使、强迫 【固定词组】force sb to do sth = force sb into doing sth 意为“强迫某人做某事”Eg：Nobody can force me to do anything. 知识点三：Brian will turn the jar over. 【固定词组】turn over 意为“翻过来” （over 为副词） Over 短语：come over (to) 到来Go over 复习Get over 恢复Look over 检查 Eg：We do hope
11、 the people in Sichuan will soon get over their trouble. 知识点四：I will ask the class to make observations and guess what will happen. 【固定词组】 （1）Ask sb (not)to do sth 要求某人（不要）做某事 类似用法：tell/invite /want/teach/force (2)make observations 意为“观察”Step5：巩固练习、检测验收教学反思：课时 33Lesson27: Danny the “Dry-o-Saur”!Step
12、1：复习巩固、激情导入复习：提问 Lesson26 知识点 1-4 导入：In the experiment, will Danny get wet？Step2：出示目标、明确任务1.牢记本课词汇：surprised/examine/discover/explain/enough/liquid/solid/ 2.spoon/add/mix/pour； 3.熟读课文，把握其意； 4.背诵重点句子 1-4，并灵活运用相关知识点。Step3：自主学习、合作探究任务一：限时 1 分钟，牢记词汇 任务二：熟读两封邮件，把握其意，画出不理解处，同桌之间交流 任务三：背诵重点句子，并自学知识点，画出不理解处
13、，同桌之间交流1.Next, Brian will take his hand off the cardboard. 2.The force is strong enough to hold the water. 3.Air is stronger than I thought! 4.Put eight spoonfuls of cornstarch into the bowl.Step4：师生互动、展示提升互动一：熟读邮件比赛 互动二：课文熟读接力赛 互动三：知识点展示大比拼 知识点一：Next,Brian will take his hand off the cardboard. take
14、 sth. off sth.意为“使某物离开或脱离.” Eg：Would you mind taking your foot off my hand? take off 还意为“ 起飞;脱下;匆忙离去” Eg：The plane took off at 7 a.m. Take off your shoes,please. He took off for the station in a hurry. 知识点二：The force is strong enough to hold the water. Adj/adv+enough to do sth 意为“是 足够.以至于能做某事” Eg： T
15、he boy is old enough to go to school.=The boy is so old that he can go to school. =He is such an old boy that he can go to school. enough 作副词,要放在被修饰的形容词和副词之后; 作形容词,通常放在被修饰的名词前或之后.Eg: This hall is large enough to hold two thousand people. He walks fast enough to be here in time. He doesnt have enough
16、 money to go for traveling. Im soory,but I havent enough time to do the job. 知识点三：Air is stronger than I thought! than 可作连词或介词,用于引入比较级的后半部分,表示 比.;Eg： She is a better player than she was last year.He is taller than me.He gets up earlier than I(do). rather than 意思是 宁愿.,不愿.;与其.不如. Eg： I would rather stay at home than go out. 知识点四：Put eight spoonfuls of cornstarch into the bowl. spoonful 是可数
