教案-organic-farming-写作.doc

Unit 2 Working the LandUsing LanguageChemical or Organic Farming? 海三中 刘秋艳. Analysis of the teaching materialThis is an integrated lesson including reading and writing. The reading part is an input and the writing is an output of language knowledge. The reading passage “chemical or organic farming?” tells us something about the organic farming, its advantages and other methods to keep the soil fertile. In the part of writing, it asks students to design a poster to list the reasons to buy “green food” and to advertise the safety and importance of eating it. . Analysis of the conditions of students learningThrough learning the vocabulary and finishing the learning plan, students have a general idea about the passage. The students have some basic abilities of reading skills. However, it is difficult for them to write some reasons to buy green food and design a poster advertising their “green food”. .Teaching aims ：1 .Knowledge aims(1) Enable the students to master some words and expressions;(2) Enable students to know some knowledge about chemical and organic farming; 2. Ability aims(1) To improve the students reading and writing ability; (2) To guide Ss to set up effective studying strategies; 3. Emotion aimsEnable students to know about agriculture, farming methods and focus on people health and pay attention to the importance of the teamwork.Teaching Important Points(1) Train the students reading ability.(2) Encourage the students to design a poster advertising “green food” by listing the reasons. .Teaching Difficult PointsHow to improve students reading and writing ability;.Teaching MethodsTask-based teaching, Multi-media teaching, municative Approach，Discussion, Individual and Group work .Teaching Toolsthe multi-media a blackboard a projector.Teaching ProceduresStep 1. Greeting Greet the whole class Step 2. Lead-in Play a game to lead in the unit 2“Working the land”. Then show some pictures and ask some questions to lead in reading the passage “Chemical or Organic Farming? Step 3. Reading 1. Check the learning plan and explaining the mistakes students have made.Learning Plan(1) What do you predict this passage is going to talk about according to the title and the picture on p14?(2) Match the main idea with each paragraphPara1 other method to keep the soil fertilePara2 organic farming and its advantagesPara 3 problems caused by chemical fertilizers Para 4 a new discovery of scientists (3).Do the T or F statement. Using chemical fertilizers has bee very mon in farming over the past half century. Organic farmers prefer using natural waste from animals and chemical fertilizers. Using natural waste makes the soil richer in minerals and so more fertile. Using organic farming methods is to grow good food and to avoid damaging the environment or peoples health.2. Show a picture and a question to read the passageRead each paragraph and answer the following questions1. Why are chemical fertilizers so popular in farming today? (para1)2. Which one is not the problem caused by using chemical fertilizers? (Para 2)A. They only kill harmful bacteria and pests. B. They stay in the ground and underground water for a long time. C. Chemicals do harm to people and animals.D. Fruit, vegetables and other food grown with chemical fertilizer grow too fast to be full of much nutrition.3. What is organic farming and its advantages? (Para 3)Its advantages: The farmers _keeping their soil rich and free of disease and _ the air, soil, water and crops_ chemicals.4. What are the other methods to keep the soil fertile? (Para 4)Step5. List the advantages of food that is grown by organic farming methods.Step6. Writing By using the advantages of “green food” listed just now and students imagination to design a poster advertising “green food” and encourage more people to buy it.Step7. Summary Sum up the class and give students an emotional education.(1) Ask students to share what they have learnt from this period.(2) Organic farming is better for peoples health and the environment. We should protect the environment, protect the earth, and protect human being. Step8. HomeworkFinish the poster with group members and make it perfect. .Design of the blackboardUnit 2 working the landChemical or organic farming?Para 1 a new discovery of scientistsPara 2 problems caused by chemical fertilizers Para 3 organic farming and its advantagesPara 4 other methods to keep the soil fertile