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冀教版英语九年级全一册 Unit 5 Look into Science_3(1) 教案
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Unit 5 Look into ScienceLesson 3【教学目标】1．记忆单词telescope, solar, certainly, unless, double, mystery;短语solar system, at night, even if.2．掌握重点句型:（1）I told my father that we were studying the solar system.（2）Actually, double the size of your house!（3）Well, it's worth a try, even if I don't find a planet.3．培养学生探索科学的精神.4．理解课文意思并能回答课后的问题.【教学内容】1．学会并能正确使用单词及短语:Telescope, solar, certainly, unless, double, mystery, solar system, at night, even if.2．能够运用下列句型:（1）I told my father that we were studying the solar system.（2）Actually, double the size of your house!（3）Well, it's worth a try, even if I don't find a planet.【教学重难点】1．能够正确应用本课的重点词汇telescope, solar, certainly, unless, double, mystery;掌握短语solar system, at night, even if.2．掌握unless引导的条件状语从句与even if引导的让步状语从句的用法.【教学思路】思路一:主要以"丹尼星球"为题,让学生们了解更多关于探索宇宙奥秘的知识.通过师生互动,询问学生们有关星球、宇宙的问题,导入新课,以学生感兴趣的话题开篇,重点在于培养学生的学习兴趣.思路二:主要以"丹尼星球"为题,让学生们了解更多关于探索宇宙奥秘的知识.通过本课的新词telescope引入新课,锻炼学生的口语表达能力.设置简单问题,让大部分同学都能回答出来,增强他们的自信心.【教学准备】教师在课前设计教学PPT,准备录音机和磁带,多媒体等.【教学过程】Ⅰ．Lead inLeading in 情景1T: Hello, everyone! We live on the earth. Out of the earth, it's the universe. Do you know it? Do you know the planet? Do you know there is life on other planets? OK, now, let's learn about it.Let the students discuss the following questions:（1）Have you ever seen or used a telescope?（2）What would you like to use a telescope for?（3）What do you want to find using the telescope?（4）Can you find creatures in the outer space?设计意图:通过询问学生们有关星球、宇宙等的问题,激发他们的学习兴趣.Leading in 情景2Show a picture of a telescope.T: Good morning/afternoon, class. Look at this picture. What's this in English?S1: It's a telescope.T: Have you ever played the telescope toys?S2: Yes, that's funny.T: What are the things like through the telescope?S3: They're bigger, double sizes or more.T: Can you find a planet with them?S4: No, it's a mystery.T: You can't find one unless you have a bigger telescope. 设计意图:通过本课的新词telescope导入新课,锻炼学生的口语表达能力.Ⅱ．PresentationThe teacher shows the new words on PPT. Ask students to try to read these words. The students follow the teacher three times. Then give the students five minutes to remember the words. Let students spell and read them one by one.设计意图:教师以PPT的形式呈现本课中出现的生词,领着学生们朗读并记忆,为下面的课文学习做好充分准备.Ⅲ．Listening1．Show Let's Do It! No. 2. on PPT.Listen to the dialogue and tick the correct answers.（1）What did Danny do last night? He tried to study the moon. He tried to find a new planet.（2）What did Danny use? A telescope. A book.（3）What did Danny need? More sleep. More stars.Keys:（1）He tried to find a new planet. （2）A telescope. （3）More sleep.2．Play the listening material for Lesson 27. Play it once and ask the students just to listen.3．Play the audiotape a second time and ask the students to complete the exercise.4．Check the answers.设计意图:听录音前,让学生把问题和选项通读一遍,以便掌握听力策略.学生反复听磁带并跟读.第一次听,要求学生大概理解对话的意思.第二次听,改为一句一句听,仔细听出每句话的内容并完成问题.通过反复听磁带并跟读,培养学生们听说的能力.Ⅳ．Reading1．Read the text aloud.T: Boys and girls, it's our reading time. Please read after the video and you should pay more attention to your pronunciation.设计意图:让学生大声朗读课文,对课文的意思有个大致的了解,对于培养学生的正确发音以及培养学生的语感都有重要作用.2．Scan reading.T: Boys and girls, now that you have known something about this text, let's read the dialogue to get more about it. Please read quickly and do the following exercises. (Show Let's Do It!)Read the lesson and write true (T) or false (F).（1）Danny is studying the solar system at school.（2）Danny is looking through the telescope when Jenny and Brian come to visit.（3）During the day, Danny can see many stars in the sky through the telescope.（4）Jenny and Brian will join Danny after supper.（5）Danny has discovered a new planet.Keys:（1）T （2）T （3）F （4）T （5）F设计意图:要求学生快速地把握课文信息,学会找关键句,不用详读,快速跳读,以找出答案为目的.3．Careful reading.T: Well done! Boys and girls! Now this time, I will make the exercise a little more difficult. Read the lesson again and fill in the blanks.Show Let's Do It! Read the lesson and fill in the blanks.On Saturday afternoon, Brian and Jenny visited Danny at his house. When they arrived, Danny was outside looking ______ a telescope. Brian and Jenny laughed at Danny because he was using the wrong ______ of the telescope. Of course, Danny couldn't see the ______ during the day. Brian and Jenny also wanted to join Danny. They decided to come back after supper. After the sun went down, they could see the stars. Danny hoped to ______ a new planet.Keys: through, end, stars, discover教材解读Danny hoped to discover a new planet.hope意为"希望",其后可接动词不定式或从句,但不能接复合宾语,对于一些期待/不期待发生的事情可使用I hope so."我希望如此"/I hope not."我不希望如此".设计意图:再次阅读对话,着重考查其主要内容的概括,更深层次地理解文章.4．Read the text and find out main phrases and sentences.Main phrases:Solar systemAt nightEven ifTurn around/roundMain sentences:When they arrive, Danny is outside in the yard.He said that I could use his telescope.Maybe Brian and I can join you after supper.I don't think you can find one unless you have a bigger telescope.Actually, double the size of your house!Well, it's worth a try, even if I don't find a planet.Maybe we'll find other amazing things!Ⅴ．教材解读1．When they arrive, Danny is outside in the yard.arrive为不及物动词,意为"到达,来到",后接表地点的名词时,需使用介词in或at.in用于指较大的地点,at则指比较具体的小地点.arrive at/in与get to/reach同义.2．He said that I could use his telescope.本句含有that引导的宾语从句.无论主句是陈述句还是疑问句,宾语从句都应使用陈述语序.含宾语从句的复合句,主从句谓语动词的时态呼应包括以下三点:（1）如果主句的谓语动词是一般现在时,宾语从句的谓语动词可根据需要,选用相应的时态.（2）如果主句的谓语动词是一般过去时,宾语从句的谓语动词应用相应的过去时态.（3）如果宾语从句所表示的是客观事实、普遍真理、自然现象或习惯性动作等,不管主句用什么时态,从句时态都用一般现在时.3．Danny turns the telescope around and looks through it again.turn around/round意为"调转方向,转身".4．Maybe Brian and I can join you after supper.maybe为副词,意为"也许";may是情态动词,也表示"也许",但后面必须跟动词原形.join为及物动词,意为"参加,加入",其后可接人,也可接表示团体、组织、党派等的名词.join为非延续性动词,和表示一段时间的状语连用时应变为be in.5．I don't think you can find one unless you have a bigger telescope.unless为连词,意为"除非,如果不".由unless引导的条件状语从句既可以是真实条件,也可以是非真实条件.unless通常相当于if…not….6．Actually, double the size of your house!double可作名词或形容词,意为"两倍(的);双重(的)",也可作动词,意为"使加倍".7．Well, it's worth a try, even if I don't find a planet.worth意为"相当……价值,值得",常用于be worth+n./doing结构.even if为从属连词词组,表示假设情况,意为"即使……",用来引导让步状语从句.8．Maybe we'll find other amazing things!amazing是amaze的-ing形式,意为"(令人)惊异的";过去分词amazed则表示"(感到)惊异的".9．The earth, the sun and the moon all belong to the solar system.belong to sb.意为"属于某人",相当于be sb's. belong to不能用于进行时态和被动语态.10．Scientists say the universe contains billions of galaxies.billions of意为"数十亿计的",billion, million, thousand, hundred等数词与具体数字或限定词some, a few, many等词连用时,其后不应加-s.设计意图:学生是学习的主体,教师要努力调动学生学习的积极性和主动性,通过组内合作讨论,探究,找出对话中的关键单词和短语,把所学的知识转化为学习能力.Ⅵ．Task1．Show Let's Do It! What interests you about the solar system? If you had a chance to go to space, would you go? Share your ideas with a partner.2．Ask the students to share their ideas with a partner. The person listening should write down the ideas of the person who is speaking.3．Have each student present their partner's ideas about going to space in groups or to the class.设计意图:锻炼学生的口语表达与写作能力,同时培养学生的合作意识.Ⅶ．Practice1．用方框中所给词的适当形式填空Other, try, my, big, amaze（1）Why do you think science is _____ ?（2）Nothing happened, though he _____ his best.（3）Your apple is much _____ than my apple.（4）I have two friends. One is in Class Four, and the _____ is in Class Five.（5）This coat is blue, but _____ is black.2．根据句意及首字母提示补全单词（1）With a_____ t , you can see stars in the sky at night.（2）Without treatment, she will almost c_____ die.（3）Don't ask me to explain u_____ you really don't understand.（4）According to the research, the total output is d_____ that of last year.（5）In this way, he was able to solve the m_____.3．句型转换（1）The camera must be Mike's. (同义句转换)The camera must _____ _____ Mike.（2）If you don't go for it, your dream won't come true. (同义句转换)Your dream _____ come true _____ you go for it.（3）He decided to join an English club. (同义句转换)He _____ _____ to join an English club.（4）I hope I can pass the exam. (改为简单句)I _____ _____ pass the exam.（5）I would like to have a cup of coffee. (同义句转换)I _____ _____ a cup of coffee.Keys: 1．（1）amazing （2）tried （3）bigger （4）other （5）mine2．（1）telescope （2）certainly （3）unless （4）double （5）mystery3．（1）belong to （2）won't, unless （3）made decisions （4）hope to （5）feel like having设计意图:在掌握了课文中的重点句子和短语之后,做词汇练习和句子练习,能有效巩固本课所学知识.Ⅷ．SummaryIn this class, we've known about the solar system and what a telescope is.设计意图:给学生总结,让学生明确这节课的学习内容.Homework1．Finish off the exercises in the activity book.2．Preview Lesson 28.设计意图:让学生通过习题巩固本节课知识点,并提前做好预习.【板书设计】Lesson 3 Planet DannyMain phrases:Solar systemAt nightEven ifturn around/roundKey structures:I told my father that we were studying the solar system.Actually, double the size of your house!Well, it's worth a try, even if I don't find a planet.
Unit 5 Look into ScienceLesson 3【教学目标】1．记忆单词telescope, solar, certainly, unless, double, mystery;短语solar system, at night, even if.2．掌握重点句型:（1）I told my father that we were studying the solar system.（2）Actually, double the size of your house!（3）Well, it's worth a try, even if I don't find a planet.3．培养学生探索科学的精神.4．理解课文意思并能回答课后的问题.【教学内容】1．学会并能正确使用单词及短语:Telescope, solar, certainly, unless, double, mystery, solar system, at night, even if.2．能够运用下列句型:（1）I told my father that we were studying the solar system.（2）Actually, double the size of your house!（3）Well, it's worth a try, even if I don't find a planet.【教学重难点】1．能够正确应用本课的重点词汇telescope, solar, certainly, unless, double, mystery;掌握短语solar system, at night, even if.2．掌握unless引导的条件状语从句与even if引导的让步状语从句的用法.【教学思路】思路一:主要以"丹尼星球"为题,让学生们了解更多关于探索宇宙奥秘的知识.通过师生互动,询问学生们有关星球、宇宙的问题,导入新课,以学生感兴趣的话题开篇,重点在于培养学生的学习兴趣.思路二:主要以"丹尼星球"为题,让学生们了解更多关于探索宇宙奥秘的知识.通过本课的新词telescope引入新课,锻炼学生的口语表达能力.设置简单问题,让大部分同学都能回答出来,增强他们的自信心.【教学准备】教师在课前设计教学PPT,准备录音机和磁带,多媒体等.【教学过程】Ⅰ．Lead inLeading in 情景1T: Hello, everyone! We live on the earth. Out of the earth, it's the universe. Do you know it? Do you know the planet? Do you know there is life on other planets? OK, now, let's learn about it.Let the students discuss the following questions:（1）Have you ever seen or used a telescope?（2）What would you like to use a telescope for?（3）What do you want to find using the telescope?（4）Can you find creatures in the outer space?设计意图:通过询问学生们有关星球、宇宙等的问题,激发他们的学习兴趣.Leading in 情景2Show a picture of a telescope.T: Good morning/afternoon, class. Look at this picture. What's this in English?S1: It's a telescope.T: Have you ever played the telescope toys?S2: Yes, that's funny.T: What are the things like through the telescope?S3: They're bigger, double sizes or more.T: Can you find a planet with them?S4: No, it's a mystery.T: You can't find one unless you have a bigger telescope. 设计意图:通过本课的新词telescope导入新课,锻炼学生的口语表达能力.Ⅱ．PresentationThe teacher shows the new words on PPT. Ask students to try to read these words. The students follow the teacher three times. Then give the students five minutes to remember the words. Let students spell and read them one by one.设计意图:教师以PPT的形式呈现本课中出现的生词,领着学生们朗读并记忆,为下面的课文学习做好充分准备.Ⅲ．Listening1．Show Let's Do It! No. 2. on PPT.Listen to the dialogue and tick the correct answers.（1）What did Danny do last night? He tried to study the moon. He tried to find a new planet.（2）What did Danny use? A telescope. A book.（3）What did Danny need? More sleep. More stars.Keys:（1）He tried to find a new planet. （2）A telescope. （3）More sleep.2．Play the listening material for Lesson 27. Play it once and ask the students just to listen.3．Play the audiotape a second time and ask the students to complete the exercise.4．Check the answers.设计意图:听录音前,让学生把问题和选项通读一遍,以便掌握听力策略.学生反复听磁带并跟读.第一次听,要求学生大概理解对话的意思.第二次听,改为一句一句听,仔细听出每句话的内容并完成问题.通过反复听磁带并跟读,培养学生们听说的能力.Ⅳ．Reading1．Read the text aloud.T: Boys and girls, it's our reading time. Please read after the video and you should pay more attention to your pronunciation.设计意图:让学生大声朗读课文,对课文的意思有个大致的了解,对于培养学生的正确发音以及培养学生的语感都有重要作用.2．Scan reading.T: Boys and girls, now that you have known something about this text, let's read the dialogue to get more about it. Please read quickly and do the following exercises. (Show Let's Do It!)Read the lesson and write true (T) or false (F).（1）Danny is studying the solar system at school.（2）Danny is looking through the telescope when Jenny and Brian come to visit.（3）During the day, Danny can see many stars in the sky through the telescope.（4）Jenny and Brian will join Danny after supper.（5）Danny has discovered a new planet.Keys:（1）T （2）T （3）F （4）T （5）F设计意图:要求学生快速地把握课文信息,学会找关键句,不用详读,快速跳读,以找出答案为目的.3．Careful reading.T: Well done! Boys and girls! Now this time, I will make the exercise a little more difficult. Read the lesson again and fill in the blanks.Show Let's Do It! Read the lesson and fill in the blanks.On Saturday afternoon, Brian and Jenny visited Danny at his house. When they arrived, Danny was outside looking ______ a telescope. Brian and Jenny laughed at Danny because he was using the wrong ______ of the telescope. Of course, Danny couldn't see the ______ during the day. Brian and Jenny also wanted to join Danny. They decided to come back after supper. After the sun went down, they could see the stars. Danny hoped to ______ a new planet.Keys: through, end, stars, discover教材解读Danny hoped to discover a new planet.hope意为"希望",其后可接动词不定式或从句,但不能接复合宾语,对于一些期待/不期待发生的事情可使用I hope so."我希望如此"/I hope not."我不希望如此".设计意图:再次阅读对话,着重考查其主要内容的概括,更深层次地理解文章.4．Read the text and find out main phrases and sentences.Main phrases:Solar systemAt nightEven ifTurn around/roundMain sentences:When they arrive, Danny is outside in the yard.He said that I could use his telescope.Maybe Brian and I can join you after supper.I don't think you can find one unless you have a bigger telescope.Actually, double the size of your house!Well, it's worth a try, even if I don't find a planet.Maybe we'll find other amazing things!Ⅴ．教材解读1．When they arrive, Danny is outside in the yard.arrive为不及物动词,意为"到达,来到",后接表地点的名词时,需使用介词in或at.in用于指较大的地点,at则指比较具体的小地点.arrive at/in与get to/reach同义.2．He said that I could use his telescope.本句含有that引导的宾语从句.无论主句是陈述句还是疑问句,宾语从句都应使用陈述语序.含宾语从句的复合句,主从句谓语动词的时态呼应包括以下三点:（1）如果主句的谓语动词是一般现在时,宾语从句的谓语动词可根据需要,选用相应的时态.（2）如果主句的谓语动词是一般过去时,宾语从句的谓语动词应用相应的过去时态.（3）如果宾语从句所表示的是客观事实、普遍真理、自然现象或习惯性动作等,不管主句用什么时态,从句时态都用一般现在时.3．Danny turns the telescope around and looks through it again.turn around/round意为"调转方向,转身".4．Maybe Brian and I can join you after supper.maybe为副词,意为"也许";may是情态动词,也表示"也许",但后面必须跟动词原形.join为及物动词,意为"参加,加入",其后可接人,也可接表示团体、组织、党派等的名词.join为非延续性动词,和表示一段时间的状语连用时应变为be in.5．I don't think you can find one unless you have a bigger telescope.unless为连词,意为"除非,如果不".由unless引导的条件状语从句既可以是真实条件,也可以是非真实条件.unless通常相当于if…not….6．Actually, double the size of your house!double可作名词或形容词,意为"两倍(的);双重(的)",也可作动词,意为"使加倍".7．Well, it's worth a try, even if I don't find a planet.worth意为"相当……价值,值得",常用于be worth+n./doing结构.even if为从属连词词组,表示假设情况,意为"即使……",用来引导让步状语从句.8．Maybe we'll find other amazing things!amazing是amaze的-ing形式,意为"(令人)惊异的";过去分词amazed则表示"(感到)惊异的".9．The earth, the sun and the moon all belong to the solar system.belong to sb.意为"属于某人",相当于be sb's. belong to不能用于进行时态和被动语态.10．Scientists say the universe contains billions of galaxies.billions of意为"数十亿计的",billion, million, thousand, hundred等数词与具体数字或限定词some, a few, many等词连用时,其后不应加-s.设计意图:学生是学习的主体,教师要努力调动学生学习的积极性和主动性,通过组内合作讨论,探究,找出对话中的关键单词和短语,把所学的知识转化为学习能力.Ⅵ．Task1．Show Let's Do It! What interests you about the solar system? If you had a chance to go to space, would you go? Share your ideas with a partner.2．Ask the students to share their ideas with a partner. The person listening should write down the ideas of the person who is speaking.3．Have each student present their partner's ideas about going to space in groups or to the class.设计意图:锻炼学生的口语表达与写作能力,同时培养学生的合作意识.Ⅶ．Practice1．用方框中所给词的适当形式填空Other, try, my, big, amaze（1）Why do you think science is _____ ?（2）Nothing happened, though he _____ his best.（3）Your apple is much _____ than my apple.（4）I have two friends. One is in Class Four, and the _____ is in Class Five.（5）This coat is blue, but _____ is black.2．根据句意及首字母提示补全单词（1）With a_____ t , you can see stars in the sky at night.（2）Without treatment, she will almost c_____ die.（3）Don't ask me to explain u_____ you really don't understand.（4）According to the research, the total output is d_____ that of last year.（5）In this way, he was able to solve the m_____.3．句型转换（1）The camera must be Mike's. (同义句转换)The camera must _____ _____ Mike.（2）If you don't go for it, your dream won't come true. (同义句转换)Your dream _____ come true _____ you go for it.（3）He decided to join an English club. (同义句转换)He _____ _____ to join an English club.（4）I hope I can pass the exam. (改为简单句)I _____ _____ pass the exam.（5）I would like to have a cup of coffee. (同义句转换)I _____ _____ a cup of coffee.Keys: 1．（1）amazing （2）tried （3）bigger （4）other （5）mine2．（1）telescope （2）certainly （3）unless （4）double （5）mystery3．（1）belong to （2）won't, unless （3）made decisions （4）hope to （5）feel like having设计意图:在掌握了课文中的重点句子和短语之后,做词汇练习和句子练习,能有效巩固本课所学知识.Ⅷ．SummaryIn this class, we've known about the solar system and what a telescope is.设计意图:给学生总结,让学生明确这节课的学习内容.Homework1．Finish off the exercises in the activity book.2．Preview Lesson 28.设计意图:让学生通过习题巩固本节课知识点,并提前做好预习.【板书设计】Lesson 3 Planet DannyMain phrases:Solar systemAt nightEven ifturn around/roundKey structures:I told my father that we were studying the solar system.Actually, double the size of your house!Well, it's worth a try, even if I don't find a planet.
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