Lesson 26 Keep the Candle Burning教案推荐

Lesson 26 Keep the candle Burning!教案

教学内容：冀教版九年级英语下册Lesson 26：Keep the Candle Burning ! 教材分析：本单元以科学为中心话题，展开关于如何做实验以及指导学生做好观察及相关的活动。通过本单元前面几课的学习，学生已经了解了怎样做实验，做实验怎样表达步骤，通过实验我们可以做出怎样的观察等。本课重点通过实验来进一步巩固重点句型及单词的用法，了解科学在生活的重要性及培养学生热爱科学的意识和动手做实验的兴趣。

学情分析：本课接近生活，因为是实验课，应以学生自主学习为主，所以要最大限度地调动学生,特别是初次见面上课的学生的积极性，参与学习。

教学设计思路：本课是这一单元的第六课，是一篇阅读课文。学生已有前面几课的内容和知识为基础，因此在设计时主要以练习和学生自主阅读、讨论、归纳、完成任务为主。最后又安排有summary,和

exercises,进一步巩固这几课所学内容,培养学生对知识的综合运用能力，并引导他们认识到科学的重要性，树立热爱科学的意识。

Learning aims:

1. Master the new words: match, light, burn, use up, shallow, candleholder, oxygen, one-fifth 2．Help the students describe an experiment clearly and correctly. Learning important points:

1.

some words and phrases: match, oxygen, use up, one-fifth

make sb do sth. 2.

describe an experiment clearly and correctly. 3.The important sentences: ① Fill the dish half full of water. ② As the candle burns, it uses up oxygen in the air. ③ There is about one-fifth oxygen in the air, so the water rises and fills about one-fifth of the jar. Learning difficult points:

1.

Master the experiment. 2.

some difficult sentences. 3.

report

the observation.

Learning methods:

Listen, say, read and practise. Learning tools: ＣＡＩpowerpoint.flashcards pictures.radio. tape

Learning steps: Step 1. Class opening

Step 2. Warm-up T: T show some objects. Can you guess what we will do in this lesson? S: we will play a game. S.We will do an experiment. T: Why do you think so? S:Because I saw some objects in your bags .for example. match, light, candleholder. T:Good.You

are a clever girl.Do you want to do an experiment.You must read the article and know how to do an experiment.

T:I will give you some minutes to read by yourself .and let us do it.

Step 3. Reading First. Ask the students to read the passage make sure them know how to do an experiment.

Step 4.

Practising and repeat the text. 1T does the experiment and asks Ss to make observation. 2. Ask Ss to read the text in groups.

3. Ask Ss to retell the steps of doing this experiment as T doing it.] 4 One student do the experiment in the front of class, the others retell steps.

Step 5Listening

Listen to the tape and find out the useful expressions and the difficult points. Step 6.Explain the language point.

1. light ①作动词：意思是点燃；

②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. ③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. 以up 结尾的短语总结：

Get up

make up

put up

wake up

hurry up

look up

give up

eat up …

3. 分数的表达法：口诀：分子基，分母序，分子>1，分母加s e.g.

one-fifth;

two-thirds

分数表达，分子用基数词，分母用序数词，当分子大于或等于二时，分母要加s

三分之一

one-third

六分之一

one-sixth

三分之二

second-thirds 4. make sb do sth:让某人做某事

eg.

My mother makes me stay at home.

Step7 Summary:

What have you learned from the reading?

Science is very interesting.

The force of air is so strong.

We can learn things from our life.

Step8Do exercises

Let`s 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 9. Homework 1.

Understand the meaning of the text and do it in samll groups . 2.

Remember the mastery words. 3.

Finish the activity book in lesson 26 4.

The next reading. Class Closing