Lesson 26 Keep the Candle Burning
1.记忆单词holder,shallow,lighter,match,examine,oxygen;
短语u up,be made up of。
2.掌握重点句型:
ft什么意思
①When the candle stops burning, it has ud up all the oxygen in the air.
②Becau about one fifth of the air is made up of oxygen, the water ris and fills about one fifth of the jar.弹核是什么意思
③How far does the water ri?
④Let the candle burn for two or three minutes.
3.激发学生兴趣,向他人介绍自己所做的有关燃烧的实验。
4.能够用英语描述和解释本课的实验。
1.学会并能正确使用单词及短语:holder,shallow,lighter,match,examine,oxygen,u up,be made up of。
2.能够运用下列句型:①When the candle stops burning, it has ud up all the oxygen in the air.②Becau about one fifth of the air is made up of oxygen, the water ris and fills about one fifth of the jar.③How far does the water ri?④Let the candle burn for two or three minutes.
1.能够正确应用本课的重点词汇holder,shallow,lighter,match,examine,oxygen;掌握短语u up,be made up of暮光之城 下载。
2.能够用英语准确地描述实验过程。
思路一:本课的教学内容是冀教版九年级英语第五单元的第26课，以“让蜡烛持续燃烧”为题，讲述了一个有趣的实验，教师利用带来的教具，向学生们一一介绍，并表述本课中出现的实验，导入新课。通过展示实验的过程，激发和培养学生的学习兴趣，鼓励学生热爱科学。
思路二:本课的教学内容是冀教版九年级英语第五单元的第26课，以“让蜡烛持续燃烧”为题，讲述了一个有趣的实验。通过师生互动，讨论科学为什么是重要的，以及Think About It的问题来导入新课，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。
教师在课前设计教学PPT，准备录音机和磁带，多媒体等。准备实验用的材料:一根蜡烛、一个烛台、一个大的玻璃罐、一个浅盘子和一些水、一个打火机。
StepⅠ.Lead in
Leading in 【情景1】
T:Hello,class.Today we’ll learn Lesson 26.Now plea look at the things: a candle, a candle holder, a big glass jar, a shallow dish, some water and a lighter. Can you guess what we will do in this class?
Ss: Make an experiment.
T:Well done. This is an interesting class. We’ll make an experiment. Do you want to know what will happen? Now let’s begin our class.
[设计意图] 教师利用带来的教具,向学生们一一介绍，引起了学生对英语课学习的强烈的求知欲和好奇心，为本课的实验介绍奠定基础。
Leading in 【情景2】
T:Good morning/afternoon, everyone. Today we’ll have a discussion about why science is
viceversa
important. Why do you think science is important? What things wouldn’t be possible without science?
S1:Becau it helps us answer questions.
S2:Without science we wouldn’t have medicine.
S3:Without science we couldn’t predict the weather.
S4:We wouldn’t have airplanes or computers without science.
T:Very good. I think we can conclude that science is very important. Now, let’s discuss the questions about Think About It!
Divide the class into groups to answer the Think About It questions. Then have the groups share their answers with the class.
代步工具英文 [设计意图] 通过师生互动导入本课话题,激发学生的学习兴趣，调动学生们的积极性。
StepⅡ.Prentation
The teacher shows the new words on PPT. Ask students to try to read the 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。
StepⅢ.Reading
1.Read the text aloud.
T:Boys and girls, it’s our reading time. Plea 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都有重要作用。
2.Careful reading.
Give the students veral minutes to read the text by themlves.
Read the lesson and fill in the blanks.
Let’s do the experiment together! Put the candle in the candle holder. Put the candle holder on the dish. Fill the dish half full with water. Light the candle with a or a lighter. What can you e? The candle is burning. the candle burn for two or three minutes. Then carefully put the jar over it until the top of the jar rests on the dish. As the candle burns, it the oxygen in the air. When the candle stops ,it has ud up all the oxygen in the air. The water inside the jar and fills about of the jar. This is becau about one fifth of the air is made up of oxygen.
learn to say no 【Keys】 match,Let,us,burning,ris,one fifth
[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。
uv是什么
造价工程师报考资格 3.Read the text and find out main phras and ntences.
Main phras:
·u up
·be made up of
sold Main ntences:
·Science is so interesting!
·Fill the dish half full with water.
·Light the candle.
·Carefully put the jar over the candle until the top of the jar rests on the dish.
·The water inside the jar ris.
·Becau about one fifth of the air is made up of oxygen, the water ris and fills about one fifth of the jar.
☆教材解读☆
1.Science is so interesting!
◆so为副词,意为“这样,如此”,用于修饰形容词或副词的原级,表示程度。常见用法如下:
(1)“so+形容词+a/an+单数名词”相当于“such a/an+形容词+单数名词”。
(2)so后可接many, much, few和little来表示名词的数量。
(3)so…that…意为“如此……以至于……”,构成结果状语从句。
◆interesting为形容词,意为“有趣的”,表示事物本身含有令人感兴趣的因素,可作表语或定语,用于说明物。
【拓展】 interested也为形容词,意为“感兴趣的”,表示人对物的感受,在句中可作表语,常用于固定短语be/get interested in“对……感兴趣”。
