chemical or organic farming 教案

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人教版高中英语必修四 unit2 using language --chemical or organic farming 2精品课件

人教版高中英语必修四 u n it2 u s ing l a nguag e - -ch emical o r o r ganic f a rmin g 2 精品课件
人教版高中英语必修四 u n it2 u s ing l a nguag e - -ch emical o r o r ganic f a rmin g 2 精品课件
人教版高中英语必修四 u n it2 u s ing l a nguag e - -ch emical o r o r ganic f a rmin g 2 精品课件
Discussion and practice
Plastic Or Cloth Bags?
illustration Para1: 简单阐明问题现状（阐明）
Unit 2 Working the land
Using language
matter（物质）
What is the substance we put on the soil to make crops grow?
It is fertilizer.
How many kinds of fertilizers do farmers use?
STEP 4
The structure of this passage
Ppaarraa11T: loonpgicterm use of
fertilizer cause damage
pPara2:Pprroobblleemmss caused by using chemical fertilizers. Para3 Advantages para3: farmers and customers turn to organic farming.

高中英语_有机食品公开课教学设计学情分析教材分析课后反思

Teaching Design for chemical or organic farmingThe content of my lesson is chemical or organic farming.I will design this lesson from the following parts. Analysis of the teaching material, the teaching aims and demands, the important and difficult points, the teaching methods, studying way, teaching aid, the teaching procedures and the teaching reflections.Part 1 Analysis of the teaching materialThis reading passage is about the advantages of organic farming.Part 2 Teaching Aims and demands.According to the new standard curriculum and the syllabus, the teaching aims are the followings:Knowledge objects:① Master the importance and advantages of organic farming.Ability objects:① To develop the students’ speaking and reading skillsEmotional objects:① To help students set up the right concept of organic farming and Learn how to persuade others and design an English posterPart 3 the important and difficult points①. Enable the students to use the language by understanding the text and discussion and motivate the students to talk freely and effectivelyPart 4 Teaching MethodsIn order to help students develop good sense of the English language. I will use the following methods according to the modern social communication teaching theories1. Communicative Approach.2. Task-based Language TeachingPart 5 Studying way: Cooperative learning; Self-exploringPart 6 Teaching aid: Multi-mediaPart 7 Teaching ProceduresStep 1. Lead-in (2 minutes)I will show some pictures and a video to students about organic farming.to inspire Ss’ interest.Step 2 Show teaching aims. (1 minute)Step 3 Fast reading (3minutes)Step 4. Careful reading. (10minutes)Step5. Solving the problems and explaining the difficultiesStep 6. ConsolidationStep .homework我所执教的班级是高一下学期的学生，学生英语学习英语的兴趣比较高，但是由于之前基础所限，成绩不是很理想。

M4 U 2 Chemical or Organic Farming高中环境教育学科同步

M 4 Unit 2 Working the landReading, listening and speakingChemical or Organic Farming?姜颖【教学设计背景及学情分析】随着人们生活水平的提高，越来越多的人开始关注生态环境和健康生活的问题，我国政府也采取大量措施进行生态维护和环境保护，有机农业也就引起了人们的关注。

Chemical or Organic Farming? 是人教版高中英语教材必修四Unit 2的一篇泛读课文，旨在通过阅读及后续的听说练习让学生们对比在农业生产中使用化肥的不良后果，更多感受到有机农业的优势，同时意识到人类的生产生活不能以违背自然规律、破坏生态系统为代价，将“绿水青山就是金山银山”的理念在未来的生产生活中传承下去。

农业生产是城市里的孩子不熟悉的内容，然而亲近自然和对田园生活的向往是人类的本性。

本文的话题学生们会产生浓厚的好奇心和探索欲，激发他们学习和表达的兴趣，更愿意参与到课堂活动中来表达他们的看法。

【环境教育渗透点】G2 化肥和农药污染G3 生态农业【教学目标】1. 知识学习目标：学习掌握话题相关的单词、短语：chemical farming, organic farming, fertilize, nutrition , soil, reduce disease, natural waste, build up, lead to 等2.能力目标：整体把握文章结构，概括文章大意；在听力素材中提取大意，找出有效信息；运用所学英语表达自己的观点和想法。

3. 情感态度目标: 通过本课的学习和讨论意识到，人类是自然的一部分，人类的生产和生活都要顺应自然规律，提倡绿色环保的生产生活方式，这样大自然也必然会回馈给人类更健康、更幸福的地球家园。

【教学重点】通过泛读与听说练习，提高学生的阅读概括能力和在阅读及听力素材中提取有效信息的能力，培养学生用英语表达的能力和信心。

chemical-or-organic-farming-公开课课件[优质PPT]

Chemical or Organic Farming
1).化肥
fertilizer
2)细菌
bacteria
3).对…造成损害 4).洗掉某物
cause/do damage to wash off
5).导致;造成(后果);通往
lead to
6).逐渐增强,堆积，建立
build up
7).另外(还有)
ChemicalOrOrganicFar ming?
green food organic food
Step 1: warming up
1. Have you ever been to the countryside? 2. Do you know how to work on a farm?
Let’s go to the farm!
in addition keep…free
8).使…免受(影响); 使…不含(有害 from/of
物)
9).集中(注意力、精力)于
focus on
10).每隔几年
every few years
11).避免做…
avoid doing
First reading: get the main idea of each paragraph. para1:Long-term use of fertilizers
Tips: several phrases can be used.
The methods to keep the soil fertile
1 using natural waste from animals as fertilizer. 2 changing the kind of crop in each field . 3 planting crops to use different levels of soil 4 planting grass between crops to prevent …

高中英语M4 Chemical or Organic Farming读写教学概要写作课件

2021/2/28
Para.2 problems caused by chemical
fertilizers
-W--hdatamareasgominegofththee plaronbldem, sccraoupsesd,bay nd humans
chemical fertilizers? First, they damage the land
Read & Share
What can we get from the passage? Which one does the author prefer?
2021/2/28
Para.1
Over the past half century, using chemical fertilizers has become very common in farming. Many farmers welcome them as a great way to stop crop disease and increase production. Recently, however, scientists have been finding that long-term use of these fertilizers can cause damage to the land and, even more dangerous, to people’s health.
by killing the helpful bacteria and pests as well as
the harmful ones. Chemicals also stay in the ground
and underground water for a long time. This affects

Book-4-Unit2-chemica-or-organic-farming

What are some of the problems caused by plastic bags? First, people often leave plastic bags here and there, making white pollution. Second, it takes a long time, more than 100 years ,to be exact, to break up .Last but not least, when heated, plastic bags can produce something harmful, which can build up in our body and eventually lead to cancer or other diseases.
Main idea of the passage
_C_h_e_m_i_c_a_l fertilizers can cause many
problems, so organic farming is
becoming more_p_o_p_u_la_r__.
The structure of this passage
Let’s use cloth bags in our daily life instead of plastic bags, not only for the environment protection, but also for the sake of our health.
Suppose you were given a farm. What would you like to grow or raise? How would you deal with your farming?

高中二年级上学期英语《读写之 Chemical Farming Versu》教学设计

教学流程
环节任务
教师活动
学生活动
设计意图及评价要点
Step 1
lead-in
1.Showthecaption and raise the question: whatdoes this picture show?Guide Ss to answer it by thinking about where, why, what.
重庆二外课时教学设计
第（5）单元第（6）课时教学设计
课题
Chemical Farming Versus Organic Farming
课型
Reading for writing
教学内容分析
语篇以“Theme Parks-Fun and More Than Fun”为题，采取了“总一分”的叙述结构，先从概要介绍入手，再分段叙述三个有代表性的主题公园，即迪士尼乐园、多莉山公园和珠海长隆海洋王国。这三个公园各具特色，都围绕着“好玩，不仅仅是好玩”(fun and more than fun)这个主题，在用文字吸引读者的同时，启发读者对这些主题公园所含文化意义的更多思考:在迪士尼乐园“让你儿时的梦想成真”(make your childhood dreams come true)，在多莉山公园“快乐体验美国东南部的历史文化”(have fun learning all about America’s historical southeastern culture)，在长隆海洋王国“既能长知识又有乐趣”(both educational and fun)。统领在主题公园大主题下的三个小语段虽然具有相对独立的内容，但在语言叙述风格上都简练有力，笔调轻松，在结尾都用了吸引人们前来游玩的句式，直接发出号召。这样的叙述方式是在直接与读者交流。也容易感染和打动读者。

人教版高中英语必修四 unit2 woking the land reding2 Chemical or Organic Farming PPT课件

chemical fertilizers natural fertilizers
Expressions
1.化肥
chemical fertilizers
2.对…造成损害
cause/do damage to
3.洗掉某物
wash off
4.导致;造成(后果);通往 lead to
5.逐渐增强,建立
bulid up
Farming without using chemicals. • 3.What is the goal of “organic farming”?
To grow good food and avoid damaging the environment or people’s health
• Read the text carefully • 1.Why are chemical fertilizers so popular in
1. His mistakes l_e_d_t_o_ his failure. 2. These chemicals in the food supply_b_u_li_d_u_p
in people’s bodies over time. 3. All roads _l_ea_d__t_o_ Rome. 4. Please _f_o_c_u_s your mind_o_n_ the
Chemical or Organic Farming
(reading 2)
• Let’s understand the title. • How many parts do you think the
passage? And what are they about? Two. 1. Chemical Farming 2. Organic Farming

m4u2 Chemical or organic farming优秀课件

soil
wet
…
loose hard dry
First, buy or select the seeds from the store.
Second, we need to plough or turn over the
soil.
Third , we sow the seeds in the
soil.
3. What is the goal of using organic farming methods? To grow good food and avoid damaging the environment or people's health.
12
Skimming
Main idea
P1. Long-term use of chemical fertilizers can cause damage to the land and people's health.
build up 增强; 建立；开发 Hard working conditions build up character. 艰苦的工作条件能磨练人的性格。 He built up his strength again after an illness. 他病后逐步恢复体力。
natural fertilizers
How many kinds of fertilizers do farmers use?
There are two kinds. They are chemical
fertilizers and natural ones.
10
Which kind do farmers use when they are doing organic farming?

人教版新教材选择性必修一-Unit5-Chemical-vs-organic-farming

Unit 5 Working the LandUsing Language: Chemical Versus Organic Farming Teaching aims:1.Enable the students to understand the exposition, including theauthor’s opinion as well as the logic.2.Encourage the students to express their opinions on chemical andorganic farming and provide supporting evidence.3.Arouse the students’ awareness of the importance of logic and criticalthinking.Teaching procedures:Step1 Lead-inPresent pictures of two different kinds of bananas, and have a free talk with the students about one of my shopping experiences.Step 2 ReadingScan for the definitions of chemical farming and organic farming.Chemical farming is farming using _____________________________ while organic farming is simply farming _______ using any chemicals. Paragraph 1Go through the first paragraph and answer the following questions.1.Why did many farmers welcome the introduction of chemical farming?2.What concerns many people about the use of pesticides and chemicalfertilisers?Paragraphs 3-4Some farmers have switched to ________________.Many customers have turned to ________________.What do organic farmers focus on?Questions to ponder:What examples does the author use to show us the natural means?Step 3 DiscussingWhat are the advantages and disadvantages of chemical farming and organic farming? What other points can you think of?A.damage the landB. make crops less nutritiousC.protect the environment from pollutionD.serve the high demand for foodE.cannot meet the high demand for foodF.fight crop disease and increase productionG.cause damage to people and the environmentStep 4 WritingDecide whether your group supports chemical farming or organic farming. Come up with three main points to support your opinion, and then add at least one detail to support each main point. Write an essay giving your opinion on the topic.__________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________Step 5 Enjoying and evaluatingUse the checklist to evaluate the draft.• Does the writer express his/her opinion clearly?• Does each paragraph have one main idea?•Does each paragraph have at least one detail to support its main idea? • Does the writer sequence the points in a logical order?• Does the writer use the given useful words and expressions properly? Step 6 AssignmentPolish your compositions and then send them to me through emails.。

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Chemical or Organic Farming? (Reading)Teaching aims:1．Develop students reading skills by skimming for main ideas and scanning for details. 2．Have students learn and talk about disadvantages of chemical farming and advantages of organic farming.3．Master some key words and phrases: chemical, organic, build up, lead to, keep…free from, focus on, production, cause damage to.Important and different teaching points:1.Enable students to learn to use strategies such as skimming, scanning, and so on to dotheir reading.2.To understand the main ideas by grasping some important information.Teaching aids:A multimedia project, colour chalks, text, workbook.Teaching procedure:Step Ⅰ. Lead in1. Self introduction: Good morning, students, my name is Li Ou, you can call me Mrs. Li or Teacher Li. Hope we can have a good time in this class. Today, we are going to learn more about unit 2 – working the land.2. Ask student:① Do you play QQ farming? Do you know how to play it?Answers: First, we need to buy or select the seeds from the store.Second, we need to plow or turn over the soil.Third, we sow the seeds in the soil.Finally, we can harvest our grain.②In order to increase production of the crops, we need to water the crop, rid the soil ofthe weed, and kill off the pest.Tips: increase production – reduce production – unproductiveT: Sometimes, we also use this one to fertilize the soil. What is it?S: It is fertilizer.T: How many kinds of fertilizers do you know?S: There are two kinds. They are chemical＆natural fertilizers.Step Ⅱ. PresentationIt is chemical farming by using chemical fertilizers and it is organic farming by using natural fertilizers. Which one is better, chemical or organic farming?Today we’ll know it after learning the reading, open the book and turn to page14.StepⅢ. Reading1. SkimmingSkim to find the main idea for each paragraph.Para1. Effects of chemical fertilizerPara2. Problems caused by chemical fertilizers.Para3. Farmers and customers turn to organic farming.Para4. Other methods to keep the soil fertile.2. Scanning1. Why are chemical fertilizers so popular in farming today? B ( Para1 )A.Because they are expensive.B.They are a great way to stop crop disease and increase production.C.They can cause damage to the land.D.They are benefit for people’s health.2. What problems can be cause by using chemical fertilizers? ( Para2 )Answer: First, they can damage_ the land by killing_ the helpful bacteria and pests.They also _stay_ in the ground, build up_ in people’s bodies and _lead to_cancer or other illnesses. In addition, it usually grows too fast to be full ofnutrition.Tips: build up –①A new government takes time to build up.②Taking exercise helps us build up our body.Lead to -- ①All roads lead to Rome.②hard work is the main way which leads to success.3. read Para3＆Para4①What is organic farming?Answer: Organic farming is farming without using any chemicals.② What are the advantages of organic farming?Answer: The farmers focus on keeping their soil rich, reducing disease andkeeping the air, soil, water and crops free from chemicals.Tips: focus on: You should stop focusing on playing computers and you reallyhad to focus on your study.keep … free from: Exercise can keep us free from disease.The United Nation is trying to keep the world free from thethreat of war.③ What are the methods to keep the soil fertile?● using natural waste from animals as fertilizer.● changing the kind of crop in each field .● planting crops to use different levels of soil.● planting grass between crops to prevent …Ste p Ⅳ. SummeryIn recent days, scientists have discovered that using ________ fertilizers for a long time can _________________ the land and also people's health. There are several __________ caused by chemical fertilizers. They damage the land, stay in the water for a long time which can ___________ in people ’s bodies and ____________ many illnesses. With these ___________, ________ farming is becoming more popular with some farmers. They don ’t use any chemicals and _________ keeping the soil rich. This also __________ the air and crops ___________ chemicals. There are many organic farming _________ for making the land healthy and productive. All of these methods try to produce good food and to keep the environment and people ’s health. Answers: chemical; cause damage to; problems; build up; lead to; organic; focus on;keep …free from; methodsSte p Ⅴ. Writing -- Plastic or Cloth bags?The following words may help you.Over the past half century, … have become very common …. …welcomed them as a … way to … Recently, however, we have been finding that they can cause damage to …,even …, to people’s health.What are some of the problems caused by …? First, …, they also…. In addition, …With these discoveries, …are beginning to turn to …….Ste p Ⅵ. Homework1.Read the passage more carefully after class, and underline some useful language points.2.Finish the writingSte p Ⅶ. The design of the blackboard.Chemical or organic farming?Chemical farming: Para1.effects: 1.stop disease2. increase productionPara2 Problems: 1. first2. also3. in additionOrganic farming: Para3 Advantages: 1.without chemicals2. keep the soil rich3. reduce disease4. keep … free from chemicalsPara4 Methods: 1. use natural waste2. change crops3. plant crops in different layers4. plant grass between crops。