2019教科版科学一上2.3《用手来测量》教案.docVIP

2019教科版科学一上2.3用手来测量教案教学目标科学概念目标1.测量可以量化比较结果。2.人体可以作为一种测量工具,方便测量。3.知道“拃”是张开的拇指到中指间的长度,测量时每一拃要首尾相连。科学探究目标1.能对桌子的高度进行预测。2.能用手来测量桌子的高度,并标记测量过程。 3.会观察、比较纸带上的标记的相同和不同之处。科学态度目标1.发展在日常生活中运用测量的认同感。2.逐步适应使用多种测量工具和测量单位。3.认同以图表形式组织和交流信息的重要性。4.意识到细致的一拃一拃的测量可以使测量结果更准确。科学、技术、社会与环境目标意识到比较和测量是人们认识世界的基本方法。教学重点：知道 “拃”是张开的拇指到中指间的长度,测量时每一拃要首尾相连。 教学难点：认同以图表形式组织和交流信息的重要性。教学准备：纸带、剪刀、笔、课件、科学手册教学过程：一、 问题引入1、教师从生活入手，说明我们不仅要比较，有时还需要测量。测量有许多工具，我们的身体也可以作为测量工具。2、追问:“我们身体的什么部位能当作测量工具呢？你怎么用它测量的? ”让学生根据生活中的经验进行回答。二、聚焦1、可以用课件介绍,用拇指和中指间的最大距离作为 “一拃”来测量长度是我国古代人民的智慧,沿用至今。 2、 本课的活动主题就是用我们的手来测量桌子的高度。三、探索活动：测量桌子的高度1、预测桌子高度相当于多少拃。让学生观察桌子的高度，再观察手指一拃的长度, 最后做出桌子高度相当于多少拃的预测，并填写在科学手册上。2、出示视频资料：测量桌子的高度一拃的指尖与下一拃的指尖必须紧紧相连；在一拃与一拃相连处要画线作为记号。随后请学生谈谈测量的体会。3. 匹配一条测量纸带。向学生说明为了便于在测量中做记号, 我们要用一条纸带匹配桌子的高度。注意提醒学生确定起点和终点。4. 测量纸带的长度。教师要讲解探究步骤, 发材料。当学生测量纸带的长度时，教师要关注学生的操作, 提醒学生注意:用相同的手指测量；一拃的指尖与下一拃的指尖必须紧紧相连; 在纸带上写上姓名。5. 展示纸带, 观察测量结果。需要选择几条有代表性的纸带, 把纸带对齐黑板的画好的线段(代表地面) 粘贴好。四、研讨1. 请学生先观察一会儿纸带。2. 教师可以提问:“我们的测量结果一样吗? 你是如何知道的? ” “是什么原因导致测量 结果不一样的呢？”“比较纸带上的拃的标记, 它们有什么不同？”3. 教师要引导学生从实验的每一个步骤去反思。鼓励学生大胆提出自己的看法。学生的看法可能包括：用纸带匹配桌子高度时可能出现误差; 没有使用同一根手指测量；不能很准确地做到一拃紧连着一拃；很难做到每一拃的长度都相同；每个人的手指长度不一样，有些同学手指长, 有些同学手指短。五、拓展与思考请学生课后思考：测量时, 怎么解决测量单位长短不同, 用脚测量自己家的房间宽度，用手测量自己家的家具长度。六、板书设计用手来测量拇指和中指间的最大距离作为 “一拃”。附送：2019新pep六年级英语上学期unit3-4测试题听力部分 50%一 、听音圈出听到的词或词组。10%( ) 1. A. today B. tomorrow C. tonight( ) 2. A. live B. lives C. Living( ) 3. A. dictionary B. word book C. ic book( ) 4. A. shoe store B. bookstore C. museum shop( ) 5. A. this Sunday B. next Sunday C. last Sunday( ) 6. A. watch B. riding a bike C. watching( ) 7. A. teaches B. watches C. goes( ) 8. A. stop B. stamp C. shop( ) 9. A. reads a book B. reading a book C. ride a bike( )10. A. dancing B. doing kung fu C. playing football二、听音标号.10% ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) 三、听音选答句。5%（ ）1. A. Im going to the library. B. Im going to buy a postcard.（ ）2. A. No, I dont. B. No, she doesnt （ ）3. A. Yes, he does. B. No, she doesnt. （ ）4. A. Im going to Beijing. B. Im going at 3 oclock.（ ）5. A. He is going to paint . B.I like playing football.四、听短文，判断正(T)误(F)。5%( ) 1. Bill is from America.( ) 2. Bill likes music and basketball. ( )3. Bill is a boy. He is 13.( ) 4. Bills mother is a teacher and his father is a doctor.( )5. Bill is older than (比-大)his sister.五、听音，从方框内选择相对应的字母代号填表:14%A.play the piano B. draw pictures C. read a magazine D. play football E.write an e-mail F. visit grandparents G. clean the room Johns plan for next week when activities Monday Tuesday Wednesday Thursday Friday Saturday Sunday六、听音，将下列句子重新排序。6% ( ) Im going to the supermarket. ( ) No, Im going to buy some vegetables. ( 1 ) Today is Sunday. What are you going to do? ( ) Are you going to buy any fruits? ( ) Im going at 9 oclock this morning. ( ) When are you going?笔试部分50%一、选出不同类的词：5% ( ) 1. A. busy B. read C. buy ( ) 2. A. tonight B. tomorrow C. library ( ) 3. A. dictionary B. foot C. magazine ( ) 4. A. plant trees B. next week C. Sunday afternoon ( ) 5. A. cooks Chinese food B. reading stories C. dancing 二、选择题。10% ( ) 1. - are you going this weekend? -Im going to the Great Wall. A. What B. Where C. When ( ) 2. -Do you like stories? -Yes, I do. A. reading B. looking C. seeing ( ) 3. Sarah wants to a science teacher one day. A. is B. are C.be ( ) 4. Im going to Beijing the National Holiday. A. in B. on C. at ( ) 5. Does your father often ping pong on Sunday.A. plays B. play C. playing ( ) 6. Mr. Black likes . A. swimming B. play sports C. go to the park ( ) 7. The girl often home at 5:00. A. goes B. go C. go to ( ) 8. -Does your brother go to school by car? - , he . A. Yes, do B. No, dont C. Yes, does ( ) 9. There is art book on the desk. A. an B. a C. / ( ) 10. .-What are you going to do this evening? -_ A. Im going to see a film. B. Im going to do see a film. C. I see a film.三、根据所给答句，选择合适的疑问词写在横线上。5% 1. _are you going to do？ Im going to go shopping.2. _are you going? Im going to the book store.3. _are you going? This morning.4. _do you go to the market? By car.5. _book is this? Its Amys.四、图文匹配。10%1. Im going to see a film this evening.2. Im going to the zoo tomorrow.3. Im going to the Great Wall next week.4. Im going to take a trip this afternoon. 5. Im going to read a word book tonight. （ ） （ ） （ ） （ ） （ ）五、阅读短文。20%1.读短文，根据短文的内容给图片标号。Hi, I am Li Lei. I am going to have a busy Sunday. In the morning, I am going to the zoo by bike. I want to see the monkeys. Then, I am going to the bookstore. I am going to buy a new English book. In the afternoon, I am going to visit my grandparents with mum. It is far, so we are going by bus. Well watch TV together. At last I am going home to read a book. （ ） （ ） ( ) ( ) ( )2.读短文，选择正确答案。 I have a new pen pal. His name is Jim. He lives in the USA. Hes in Grade Six now. We write e-mail every Saturday. We have the same hobbies. We like collecting stamps and riding bikes. I give him many Chinese stamps and he gives me many American ones. I teach him Chinese on the puter and he helps me with my English. I am very happy to have a pen pal. Do you have a foreign pen pal? ( ) 1. Jim is from . A. China B. England C. America ( ) 2. We write e-mails on . A. Saturdays B. Sundays C. everyday ( ) 3.Jim likes . A. collecting stamps B. riding a bike C. A and B ( ) 4. I help Jim with his . A. Chinese B. English C. A and B ( ) 5. Jim me English on the puter. A. teach B. teaches C. helpXX新版pep小学英语六年级上册unit3-4测试卷听力部分及参考答案一、听音圈出听到的词或词组。10% 1. Im going to watch TV tonight. 2. He lives in Australia. 3. Im going to buy a dictionary. 4. Where are you going ? Im going to the shoe store. 5. Were going to the Great Wall this Sunday. 6. Whats your hobby? I like riding a bike. 7. She watches TV at night. 8. Im going to the pet shop. 9. He likes reading a book in the evening. 10. I like doing kung fu.二、听音标号。10%1. My little sister likes dancing. 2. What are you going to do this weekend? Im going to buy a dictionary.3. Does your brother study Chinese everyday? Yes, he does.4. She likes doing kung fu.5. When are you going to visit your grandparents ? This afternoon.6. What are you going to buy? Buy a word book.7. Whats your hobby? I like singing.8. Why not go on Tuesday? Then its half price.9. Mr. Li often goes hiking on the weekend.10. This is not a dictionary. Its a ic book .三、听音选答句。5% 1. What are you going to buy? 2. Does your mother teach math? 3. Does he live in Xiamen? 4. Where are you going ? 5. What your hobby?四、听短文，判断正误。5%My name is Bill Smith. I am an American boy and Im a student in a middle school. I am 13. My hobbies are music and football. My sister is a primary school student. She is 11. We live in Beijing now, My mother is a teacher and my father is an engineer of a car factory, I ha