2019-2020年八年级英语下册 Unit 4 Look into Science教案4 翼教版.doc
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2019-2020年八年级英语下册 Unit 4 Look into Science教案4 翼教版Textbook:English (Student Book 4)Content:Unit 4 Lesson 30 Keep The Candle BurningStudents:Junior two studentsDate:2008-04-08Learning aims: 1. Learn the new words: match, light, burn, use up, shallow, candleholder, oxygen, one-fifth2. Learn the important sentences: Light the candle. As the candle burns, it uses up oxygen in the air. There is about one-fifth oxygen in the air, so the water rises and fills about one-fifth of the jar.Learning important and difficult points: 分数的表达法:口诀:分子基,分母序,分子1,分母加se.g. one-fifth; two-thirdsLearning method: Listen, say, read and write.Learning steps:Setp1.Class opening1.Revision :Which experiment did you learn in this unit?2.PresentationStep 2. Reading Read the new words and write.Step 3. ExperimentWatch the experiment.Sum up steps of experiment.Step 4. Listening Listen to the tape and find out the useful expressions and the difficult points,and think about “what will happen?”.Step 5. Explain and writing1. light作动词:意思是点燃;作名词:意思是光,光线,灯;e.g.The light is too poor to read. There are two lights in our classroom.做形容词:意思是轻的,不重的;e.g.This coat is light but very warm.2. use up 意思是耗尽,耗费;e.g.We have used up the ink.3. 分数的表达法:口诀:分子基,分母序,分子1,分母加se.g. one-fifth; two-thirdsStep 6. Do exercisesLets do an experiment.Fist find a _and then put it in the _.Where do we put the candleholder?Out it in the _._the dish _full of water.After that,we can_the candle.Let the candle _for two or three minutes.At last put the jar _the candle.What can we see?As the candle burns,it _up oxygen in the air.When the candle stop _,it has used up all the oxygen.The water inside the jar goes_.Step 7. Sum up1. Master the words and expressions.2. Master the experiment.Step 8. Homework1. Understand the meaning of the text and do it in samll groups .2. Remember the mastery words.3. Finish the activity book in lesson 30.4. The next reading.- 配套讲稿:
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