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冀教版英语九年级全一册 Unit 5 Look into Science_6 教案
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这是一份冀教版英语九年级全一册 Unit 5 Look into Science_6 教案，共8页。
Unit 5 Look into ScienceLesson 6【教学目标】1．记忆单词affect, suggest, development, mobile phone, discovery;短语turn…over, push up, push down, in place.2．掌握重点句型:（1）I suggest you try it, too!（2）Cover the jar with the cardboard and turn the jar over.（3）The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar.（4）The higher air pressure outside the jar holds the cardboard in place.（5）Scientific discoveries are making our lives better and better.3．能够运用所学知识介绍自己所做过的科学实验.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:Affect, suggest, development, mobile phone, discovery, turn…over, push up, push down, in place.2．能够运用下列句型:（1）I suggest you try it, too!（2）Cover the jar with the cardboard and turn the jar over.（3）The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar.（4）The higher air pressure outside the jar holds the cardboard in place.（5）Scientific discoveries are making our lives better and better.【教学重难点】1．能够正确应用本课的重点词汇affect, suggest, development, mobile phone, discovery;掌握短语turn…over, push up, push down, in place.2．能够运用所学知识用英语介绍自己所做过的科学实验.【教学思路】思路一:以"科学影响着我们"为题,以一些有趣的科学事实导入新课.以学生感兴趣的知识导入,激发学生们的学习兴趣,引导学生自主参与其中,寻找信息,使他们的英语能力得以提高.思路二:以"科学影响着我们"为题,通过师生互动,讨论本课的标题导入新课,通过小组合作探究,找出文中的重点短语和句子,共同解决疑难.【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. Let's look at some fun and interesting science facts.Show Fun Facts on PPT.Fun Facts:Your nose and ears continue growing throughout your entire life.Babies blink only once or twice a minute while adults blink around 10 times a minute.Your fingerprints are unique and so are your tongue prints.The earth isn't perfectly round. It is slightly flattened at the North and South poles.A dog's hearing is more sensitive than a human's. Dogs can hear noises that we can't.It takes your body 12 hours to completely digest a meal.T: OK. Now let's learn Lesson 30—Science Affects Us.设计意图:以一些有趣的科学事实导入本课,激发了学生的学习兴趣.Leading in 情景2T: Good morning/afternoon, everyone. Today we'll learn Lesson 30.The title is Science Affects Us. Do you know what "affect" means?S1:The word "affect" in Chinese means"影响"!T: How does science affect us?S2: Science changes the way we live.S3: Science allows us to understand the world better and it helps to make our lives better and easier.S4: Because of science we have medicine.S5: Because of science we can predict the weather.S6: Because of science we have technologies that allow us to travel far distances and communicate easily with people all over the world.T: Those are all fantastic answers! In general, I think we can say that science affects almost every part of our lives. Now let's learn this lesson and find out how science affects us.设计意图:通过师生互动,解读本课课题,让学生迅速融入课堂学习,激发学生的主动性与积极性.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．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有重要作用.2．Careful reading.Give the students several minutes to read the text by themselves.Read the lesson and fill in the blanks.Science affects people's ____ lives. Without the scientific developments of recent years, our lives would be very different. Can you imagine life without computers or ____? Scientific ____ are making our lives better and better. DNA is really one of the most amazing things on the earth. Many people think it will ____ the world.Keys: everyday, mobile phones, discoveries, change设计意图:学生再次阅读课文,对课文内容有更进一步的了解,提取文章的大意.3．Read the text and find out main phrases and sentences.Main phrases:Be likeTurn overPush upPush downIn placeMain sentences:Everyone here is fine.I suggest you try it, too!First, get a jar full of water and a piece of cardboard.Yes, science is interesting, and it affects our everyday lives.Our lives would surely be very different without scientific developments.I always wonder what life would be like without computers or mobile phones.Scientific discoveries are making our lives better and better.Ⅳ．教材解读1．What would life be like without computers or mobile phones?be like意为"像",多指品质、性格等内在方面的相似.拓展: （1）look like偏于外貌上的形似.（2）take after意为"(外貌或行为)像(父母)".2．Everyone here is fine.everyone为不定代词,意为"每个人,人人".不定代词作主语时,谓语动词应用单数形式;不定代词被形容词修饰时,形容词应后置;含有不定代词的句子在进行肯定和否定转化时,可将不定代词进行变化;"不定代词+else"意为"别的……";不定代词的所有格直接在词尾加"‘s","不定代词+else"的所有格需在else后加"s".3．I suggest you try it, too!suggest为动词,意为"提议,提出",后可接名词/v.-ing,或接that引导的宾语从句,that从句用"should+动词原形",should可以省略.拓展: suggestion作可数名词,意为"建议,意见".4．First, get a jar full of water and a piece of cardboard.本句中的短语full of water用在名词jar之后作定语,不定式、介词短语和定语从句等都可用在名词后作定语.5．Cover the jar with the cardboard and turn the jar over.Turn …over意为"将……翻过来."拓展: turn over还意为"移交,仔细考虑".6．The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar.push up意为"向上推,提高".push down意为"向下按,推倒,压倒".that用来替代"the+前述名词",以避免重复.7．The higher air pressure outside the jar holds the cardboard in place.in place意为"原位,在恰当的位置".拓展:（1）in place of sb./sth. =in sb's / sth's place代替/顶替某人/物（2）take place发生（3）take sb's /sth's place=take the place of sb./sth.代替/替换某人/物8．Yes, science is interesting, and it affects our everyday lives.affect为及物动词,意为"影响",相当于influence,常构成短语:be affected by被……影响.拓展: effect为名词,意为"结果,影响".have an effect on意为"对……有影响".9．Our lives would surely be very different without scientific developments.development为名词,意为"发展,成长",the development of意为"……的发展".拓展: develop为动词,意为"(使)成长,发展",a developing country发展中国家,a developed country发达国家.10．I always wonder what life would be like without computers or mobile phones.wonder为及物动词,意为"惊奇,想知道",相当于want to know,其后可接"疑问词+动词不定式"结构和宾语从句.拓展:（1）wonder还可作不及物动词,意为"觉得奇怪,想知道",可构成短语wonder about/at.（2）wonder还可作可数名词,意为"奇迹".（3）wonderful为形容词,意为"美妙的".11．Scientific discoveries are making our lives better and better.better and better意为"越来越好".形容词或副词的比较级重复使用,并用and连接,表示程度的增加,意为"越来越……",这一结构是"比较级+and+比较级".如果是多音节的形容词或副词表达这一含义时应用"more and more+形容词或副词的原级"表示.拓展:"the+比较级,the+比较级"意为"越……越……".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.Ⅴ．Task1．Show Let's Do It! No. 3Here are some inventions. How do they affect our everyday lives? Talk about them with your partner.TV, camera, radio, computer, telephone, light bulb, clock, washing machine, compass, telescope, X-ray, eyeglassesExample:With TVI watch TV to get information.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Without TVI would spend more time talking with my family.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________2．Instruct the students to look over the list of inventions with a partner. Then have them write down a few ways each invention affects our everyday lives.3．Ask one pair to come to the board and write down what they answer for one of the inventions.4．Discuss the students' responses as a 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.Ⅵ．Practice1．Show Let's Do It! No. 2.Fill in the blanks with the correct forms of the words in the box.discover, affect, suggest, place, develop（1）Jenny ____ they use a stronger piece of cardboard for the experiment.（2）The air pressure ____ the result of the experiment.（3）The experiment led to a wonderful ____.（4）What are your plans for the ____ of your company?（5）They used a rock to hold the map in ____.2．单项填空（1）They often ____ experiments in class last term.A．do B．did C．does D．to do（2）He covered the desk ____ a cloth.A．of B．with C．at D．in（3）I did an interesting experiment and wanted ____ my classmates.A．to surprise at B．to surpriseC．to be surprised at D．surprise（4）The air pushes ____ on us ____ above.A．down, from B．up, fromC．from, down D．from, up（5）Students shouldn't go to school ____ breakfast. It's bad for their health.A．with B．without C．for D．by3．根据汉语意思完成句子（1）我想知道那是什么意思.I ____ what that means.（2）那项发现在科学界引起极大的轰动.The ____ caused a tremendous commotion ____ the scientific world.（3）这个实验听起来很有趣.The experiment ____ ____.（4）我喜欢了解自然科学的发展.I ____ ____ about scientific developments.（5）他们用一块石头将地图压制妥当.They used a rock to hold the map ____ ____.Keys:1．（1）suggests/suggested （2）affects/affected （3）discovery （4）development （5）place2．（1）B （2）B 3．B （4）A （5）B3．（1）wonder （2）discovery, in （3）sounds interesting （4）enjoy learning （5）in place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.Ⅶ．SummaryIn this class, we've learned how the science affects us.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．Finish off the exercises about Unit Review in the student's book.设计意图:让学生通过习题巩固本节课知识点,并做好本单元的复习.
Unit 5 Look into ScienceLesson 6【教学目标】1．记忆单词affect, suggest, development, mobile phone, discovery;短语turn…over, push up, push down, in place.2．掌握重点句型:（1）I suggest you try it, too!（2）Cover the jar with the cardboard and turn the jar over.（3）The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar.（4）The higher air pressure outside the jar holds the cardboard in place.（5）Scientific discoveries are making our lives better and better.3．能够运用所学知识介绍自己所做过的科学实验.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:Affect, suggest, development, mobile phone, discovery, turn…over, push up, push down, in place.2．能够运用下列句型:（1）I suggest you try it, too!（2）Cover the jar with the cardboard and turn the jar over.（3）The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar.（4）The higher air pressure outside the jar holds the cardboard in place.（5）Scientific discoveries are making our lives better and better.【教学重难点】1．能够正确应用本课的重点词汇affect, suggest, development, mobile phone, discovery;掌握短语turn…over, push up, push down, in place.2．能够运用所学知识用英语介绍自己所做过的科学实验.【教学思路】思路一:以"科学影响着我们"为题,以一些有趣的科学事实导入新课.以学生感兴趣的知识导入,激发学生们的学习兴趣,引导学生自主参与其中,寻找信息,使他们的英语能力得以提高.思路二:以"科学影响着我们"为题,通过师生互动,讨论本课的标题导入新课,通过小组合作探究,找出文中的重点短语和句子,共同解决疑难.【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. Let's look at some fun and interesting science facts.Show Fun Facts on PPT.Fun Facts:Your nose and ears continue growing throughout your entire life.Babies blink only once or twice a minute while adults blink around 10 times a minute.Your fingerprints are unique and so are your tongue prints.The earth isn't perfectly round. It is slightly flattened at the North and South poles.A dog's hearing is more sensitive than a human's. Dogs can hear noises that we can't.It takes your body 12 hours to completely digest a meal.T: OK. Now let's learn Lesson 30—Science Affects Us.设计意图:以一些有趣的科学事实导入本课,激发了学生的学习兴趣.Leading in 情景2T: Good morning/afternoon, everyone. Today we'll learn Lesson 30.The title is Science Affects Us. Do you know what "affect" means?S1:The word "affect" in Chinese means"影响"!T: How does science affect us?S2: Science changes the way we live.S3: Science allows us to understand the world better and it helps to make our lives better and easier.S4: Because of science we have medicine.S5: Because of science we can predict the weather.S6: Because of science we have technologies that allow us to travel far distances and communicate easily with people all over the world.T: Those are all fantastic answers! In general, I think we can say that science affects almost every part of our lives. Now let's learn this lesson and find out how science affects us.设计意图:通过师生互动,解读本课课题,让学生迅速融入课堂学习,激发学生的主动性与积极性.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．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有重要作用.2．Careful reading.Give the students several minutes to read the text by themselves.Read the lesson and fill in the blanks.Science affects people's ____ lives. Without the scientific developments of recent years, our lives would be very different. Can you imagine life without computers or ____? Scientific ____ are making our lives better and better. DNA is really one of the most amazing things on the earth. Many people think it will ____ the world.Keys: everyday, mobile phones, discoveries, change设计意图:学生再次阅读课文,对课文内容有更进一步的了解,提取文章的大意.3．Read the text and find out main phrases and sentences.Main phrases:Be likeTurn overPush upPush downIn placeMain sentences:Everyone here is fine.I suggest you try it, too!First, get a jar full of water and a piece of cardboard.Yes, science is interesting, and it affects our everyday lives.Our lives would surely be very different without scientific developments.I always wonder what life would be like without computers or mobile phones.Scientific discoveries are making our lives better and better.Ⅳ．教材解读1．What would life be like without computers or mobile phones?be like意为"像",多指品质、性格等内在方面的相似.拓展: （1）look like偏于外貌上的形似.（2）take after意为"(外貌或行为)像(父母)".2．Everyone here is fine.everyone为不定代词,意为"每个人,人人".不定代词作主语时,谓语动词应用单数形式;不定代词被形容词修饰时,形容词应后置;含有不定代词的句子在进行肯定和否定转化时,可将不定代词进行变化;"不定代词+else"意为"别的……";不定代词的所有格直接在词尾加"‘s","不定代词+else"的所有格需在else后加"s".3．I suggest you try it, too!suggest为动词,意为"提议,提出",后可接名词/v.-ing,或接that引导的宾语从句,that从句用"should+动词原形",should可以省略.拓展: suggestion作可数名词,意为"建议,意见".4．First, get a jar full of water and a piece of cardboard.本句中的短语full of water用在名词jar之后作定语,不定式、介词短语和定语从句等都可用在名词后作定语.5．Cover the jar with the cardboard and turn the jar over.Turn …over意为"将……翻过来."拓展: turn over还意为"移交,仔细考虑".6．The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar.push up意为"向上推,提高".push down意为"向下按,推倒,压倒".that用来替代"the+前述名词",以避免重复.7．The higher air pressure outside the jar holds the cardboard in place.in place意为"原位,在恰当的位置".拓展:（1）in place of sb./sth. =in sb's / sth's place代替/顶替某人/物（2）take place发生（3）take sb's /sth's place=take the place of sb./sth.代替/替换某人/物8．Yes, science is interesting, and it affects our everyday lives.affect为及物动词,意为"影响",相当于influence,常构成短语:be affected by被……影响.拓展: effect为名词,意为"结果,影响".have an effect on意为"对……有影响".9．Our lives would surely be very different without scientific developments.development为名词,意为"发展,成长",the development of意为"……的发展".拓展: develop为动词,意为"(使)成长,发展",a developing country发展中国家,a developed country发达国家.10．I always wonder what life would be like without computers or mobile phones.wonder为及物动词,意为"惊奇,想知道",相当于want to know,其后可接"疑问词+动词不定式"结构和宾语从句.拓展:（1）wonder还可作不及物动词,意为"觉得奇怪,想知道",可构成短语wonder about/at.（2）wonder还可作可数名词,意为"奇迹".（3）wonderful为形容词,意为"美妙的".11．Scientific discoveries are making our lives better and better.better and better意为"越来越好".形容词或副词的比较级重复使用,并用and连接,表示程度的增加,意为"越来越……",这一结构是"比较级+and+比较级".如果是多音节的形容词或副词表达这一含义时应用"more and more+形容词或副词的原级"表示.拓展:"the+比较级,the+比较级"意为"越……越……".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.Ⅴ．Task1．Show Let's Do It! No. 3Here are some inventions. How do they affect our everyday lives? Talk about them with your partner.TV, camera, radio, computer, telephone, light bulb, clock, washing machine, compass, telescope, X-ray, eyeglassesExample:With TVI watch TV to get information.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Without TVI would spend more time talking with my family.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________2．Instruct the students to look over the list of inventions with a partner. Then have them write down a few ways each invention affects our everyday lives.3．Ask one pair to come to the board and write down what they answer for one of the inventions.4．Discuss the students' responses as a 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.Ⅵ．Practice1．Show Let's Do It! No. 2.Fill in the blanks with the correct forms of the words in the box.discover, affect, suggest, place, develop（1）Jenny ____ they use a stronger piece of cardboard for the experiment.（2）The air pressure ____ the result of the experiment.（3）The experiment led to a wonderful ____.（4）What are your plans for the ____ of your company?（5）They used a rock to hold the map in ____.2．单项填空（1）They often ____ experiments in class last term.A．do B．did C．does D．to do（2）He covered the desk ____ a cloth.A．of B．with C．at D．in（3）I did an interesting experiment and wanted ____ my classmates.A．to surprise at B．to surpriseC．to be surprised at D．surprise（4）The air pushes ____ on us ____ above.A．down, from B．up, fromC．from, down D．from, up（5）Students shouldn't go to school ____ breakfast. It's bad for their health.A．with B．without C．for D．by3．根据汉语意思完成句子（1）我想知道那是什么意思.I ____ what that means.（2）那项发现在科学界引起极大的轰动.The ____ caused a tremendous commotion ____ the scientific world.（3）这个实验听起来很有趣.The experiment ____ ____.（4）我喜欢了解自然科学的发展.I ____ ____ about scientific developments.（5）他们用一块石头将地图压制妥当.They used a rock to hold the map ____ ____.Keys:1．（1）suggests/suggested （2）affects/affected （3）discovery （4）development （5）place2．（1）B （2）B 3．B （4）A （5）B3．（1）wonder （2）discovery, in （3）sounds interesting （4）enjoy learning （5）in place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.Ⅶ．SummaryIn this class, we've learned how the science affects us.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．Finish off the exercises about Unit Review in the student's book.设计意图:让学生通过习题巩固本节课知识点,并做好本单元的复习.
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