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初中英语冀教版九年级上册Lesson 26 Keep the Candle Burning教学课件ppt
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这是一份初中英语冀教版九年级上册Lesson 26 Keep the Candle Burning教学课件ppt，文件包含河北教育版中学英语九年级上UNIT5Lesson26教学课件pptx、26docx等2份课件配套教学资源，其中PPT共27页， 欢迎下载使用。
Lesson 26: Keep the Candle Burning
UNIT 3 Look into Science
Say how to do the experiment.
candle
a candle holder 烛台
holder /ˈhəʊldə/ n. 支托物；持有者
a big glass jar
a shallow plate 一个浅盘子
shallow /ˈʃæləʊ/ adj. 浅的
some water
matches 火柴
match /mætʃ/ n. 火柴 v.相称；相配
a lighter 一个打火机
lighter/ˈlaɪtə/ n.打火机；点火器
holder n. 支托物shallow adj. 浅的lighter n. 打火机；点火器match n. 火柴examine/ ɪɡˈzæmɪn / v. 检查oxygen /ˈɒksɪdʒən/ n. 氧气
use up 用光；用完be made up of 由……组成
Words and expressions
Listen and answer.
How many things can we need?
Six.
Part 1:
Listen and put the sentence in the right order.
Carefully put the jar over the candle until the top of the jar rests on the dish . Put the candle in the candle holder. Fill the dish half full with water. Let the candle burn for two or three minutes. Put the candle holder on the dish
1
2
3
4
5
6
7
Light the candle.
Examine the water in the jar. What can you see?
Part 2:
Read and answer the questions.
1. How much water should we fill the dish? 2. How long should we let the candle burn?3. Where should we put the jar?
Half full of the dish.
Two or three minutes.
Put it over the candle until the top of the jar rests on the dish.
Listen
Part 3: Listen and answer the question.
What is happening?
The water inside the jar rises.
Read and answer the questions.
1. Why does the water rise? 2. How far does the water rise?
When the candle stops burning, it has used up all the oxygen in the jar. So the air pressure outside the jar is stronger than that in the jar, and the force of the air outside makes the water inside rise.
One fifth of the jar.
Part 3:
Read and fill
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 see? 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 oxygenin the jar. When the candle stops_________, it has used up all the oxygen in the jar. The water inside the jar _________ and fills about ________ of the jar. This is because about one fifth of the jar is made up of oxygen.
match
Let
uses
burning
rises
one fifth
Read, find and translate
用某物装满……在盘子里把……罩在某物上面……顶部停止做某事用光，用完……的五分之一由……组成
fill…with sth. on the dish put… over sth. the top of stop doing sth. use up one fifth of… be made up of…
Read and describe
Circle the correct words to complete the sentences.
Don’t ( use up / push up ) all of the ink. Leave some for me.The medicine team ( is made of/ is made up of ) five experienced doctors.Please fill the hole ( with / in ) sand and water.They didn’t realize their mistake ( until / as ) we told them.My brother wasn’t (strong enough / enough strong ) to lift the box.
SCIENCE? THAT’S INTERESTING!
Read about the experiment in this lesson. With a group of classmates, practice the experiment. Do your experiment in front of the class. Don’t forget the following things:First, describe your experiment.Second, ask the class what they think will happen.Third, do the experiment.Finally, ask the class if the result is what they expected.
Project
1.本课所学的词汇 match holder shallow lighter examine oxygen use up be made up of 2. 如何描述实验步骤
Sum up
1. a lighter or matches. 打火机或火柴。 match ① n. 火柴。复数形式为matches。 a box of matches 一盒火柴 ② n. 比赛。复数形式matches。 three basketball matches 三场篮球赛 ③ v. 相称；相配 Your tie matches your suit. 你的领带和你的套装相配。
Language points
2. Examine the water in the jar. 检查广口瓶里的水。 examine v. ① 检查。 后接名词或代词作宾语。 The doctor examined the patient. 那位医生仔细检查了那位病人。 ②考核，测验 Our teacher will examine us on history. 我们老师将测验我们历史。 【拓展】examination（examine的名词形式）检查，考试 All patients had a complete physical examination. 所有的病人都进行了全面体检。 have an entrance examination 参加入学考试
3.When the candle stops burning, it has used up all the oxygen in the air. 当蜡烛停止燃烧时，它用尽了空气中所有氧气。 use up 用光；用尽（=run out of） 其主语往往是人，宾语往往是被用光的物。 Jim used up his money to buy the computer. 吉姆为了买电脑花光了所有的钱。 【注意】use up为“动词+副词”结构，名词作宾语时，位于up前后都可， 人称代词作宾语时，须放于use 与up之间。 There is no paper. We have used it up. 没有纸了。我们已经用完了。
4. Because about one fifth of the air is made up of oxygen,… 因为空气中氧气的含量大约占五分之一…… （1）分数的表达
分数 =
分子
分母
基数词
序数词
>1
序数词+s
1/3 one third 1/6 one sixth3/4 three fourths 2/5 two fifths
【注意】 “分数+of+名词”作主语时，谓语动词的单复数由of 后名词的形式而定。 About two thirds of the water in the river comes from Yi River.这条河三分之二的水来自沂河。About two thirds of the children like playing computer games.三分之二的孩子喜欢玩电脑游戏。
(2) be made up of… 由……组成 表示由多种成分、团体、成员或单位等组成，并强调整体的构成或组成。 The team is made up of 5 doctors and 10 nurses. 这个队由5名医生和10名护士组成。 【拓展】make up 组成，构成，形成 Women students make up 56% of the student numbers. 女生占学生人数的56%。
Ⅰ.根据句意及相关提示填空。
1. The water here is s_________, not deep.2. Our teacher is e___________ our homework to make sure there are no mistakes.3. Look! The boy is playing with some __________ (火柴).4. There is little __________ (氧气) at the top of the mountains.5. Mr. Black sat down and lit a candle with a l____________.6. She kept me ___________(hold) the jar with my hand.
ighter
hallow
xamining
matches
oxygen
holding
Ⅱ.单项选择
_______ of the students in our class ______ going to summer camp in Beijing next week. A. Two fifths, is B. Second fifths, are C. Second fifths, is D. Two fifths, are2. If success is a gate, the road towards it must _________difficulties. A. be made of B. be made from C. be made up of D. be made by3. We have ______ all the water. Please give us some more. A. turned up B. used up C . eaten up D. set up4. Please fill the jar ______ oil. A. of B. with C. into D. over5. We should stop _______ disposable chopsticks(一次性筷子) and remember to protect the forest. A. use B. to use C. used D. using
D
C
B
B
D
Remember the new words and expressions learnt in this lesson.2. Describe the experiment to your friends.3. Preview Lesson 27.
Homework
Lesson 26: Keep the Candle Burning
UNIT 3 Look into Science
Say how to do the experiment.
candle
a candle holder 烛台
holder /ˈhəʊldə/ n. 支托物；持有者
a big glass jar
a shallow plate 一个浅盘子
shallow /ˈʃæləʊ/ adj. 浅的
some water
matches 火柴
match /mætʃ/ n. 火柴 v.相称；相配
a lighter 一个打火机
lighter/ˈlaɪtə/ n.打火机；点火器
holder n. 支托物shallow adj. 浅的lighter n. 打火机；点火器match n. 火柴examine/ ɪɡˈzæmɪn / v. 检查oxygen /ˈɒksɪdʒən/ n. 氧气
use up 用光；用完be made up of 由……组成
Words and expressions
Listen and answer.
How many things can we need?
Six.
Part 1:
Listen and put the sentence in the right order.
Carefully put the jar over the candle until the top of the jar rests on the dish . Put the candle in the candle holder. Fill the dish half full with water. Let the candle burn for two or three minutes. Put the candle holder on the dish
1
2
3
4
5
6
7
Light the candle.
Examine the water in the jar. What can you see?
Part 2:
Read and answer the questions.
1. How much water should we fill the dish? 2. How long should we let the candle burn?3. Where should we put the jar?
Half full of the dish.
Two or three minutes.
Put it over the candle until the top of the jar rests on the dish.
Listen
Part 3: Listen and answer the question.
What is happening?
The water inside the jar rises.
Read and answer the questions.
1. Why does the water rise? 2. How far does the water rise?
When the candle stops burning, it has used up all the oxygen in the jar. So the air pressure outside the jar is stronger than that in the jar, and the force of the air outside makes the water inside rise.
One fifth of the jar.
Part 3:
Read and fill
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 see? 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 oxygenin the jar. When the candle stops_________, it has used up all the oxygen in the jar. The water inside the jar _________ and fills about ________ of the jar. This is because about one fifth of the jar is made up of oxygen.
match
Let
uses
burning
rises
one fifth
Read, find and translate
用某物装满……在盘子里把……罩在某物上面……顶部停止做某事用光，用完……的五分之一由……组成
fill…with sth. on the dish put… over sth. the top of stop doing sth. use up one fifth of… be made up of…
Read and describe
Circle the correct words to complete the sentences.
Don’t ( use up / push up ) all of the ink. Leave some for me.The medicine team ( is made of/ is made up of ) five experienced doctors.Please fill the hole ( with / in ) sand and water.They didn’t realize their mistake ( until / as ) we told them.My brother wasn’t (strong enough / enough strong ) to lift the box.
SCIENCE? THAT’S INTERESTING!
Read about the experiment in this lesson. With a group of classmates, practice the experiment. Do your experiment in front of the class. Don’t forget the following things:First, describe your experiment.Second, ask the class what they think will happen.Third, do the experiment.Finally, ask the class if the result is what they expected.
Project
1.本课所学的词汇 match holder shallow lighter examine oxygen use up be made up of 2. 如何描述实验步骤
Sum up
1. a lighter or matches. 打火机或火柴。 match ① n. 火柴。复数形式为matches。 a box of matches 一盒火柴 ② n. 比赛。复数形式matches。 three basketball matches 三场篮球赛 ③ v. 相称；相配 Your tie matches your suit. 你的领带和你的套装相配。
Language points
2. Examine the water in the jar. 检查广口瓶里的水。 examine v. ① 检查。 后接名词或代词作宾语。 The doctor examined the patient. 那位医生仔细检查了那位病人。 ②考核，测验 Our teacher will examine us on history. 我们老师将测验我们历史。 【拓展】examination（examine的名词形式）检查，考试 All patients had a complete physical examination. 所有的病人都进行了全面体检。 have an entrance examination 参加入学考试
3.When the candle stops burning, it has used up all the oxygen in the air. 当蜡烛停止燃烧时，它用尽了空气中所有氧气。 use up 用光；用尽（=run out of） 其主语往往是人，宾语往往是被用光的物。 Jim used up his money to buy the computer. 吉姆为了买电脑花光了所有的钱。 【注意】use up为“动词+副词”结构，名词作宾语时，位于up前后都可， 人称代词作宾语时，须放于use 与up之间。 There is no paper. We have used it up. 没有纸了。我们已经用完了。
4. Because about one fifth of the air is made up of oxygen,… 因为空气中氧气的含量大约占五分之一…… （1）分数的表达
分数 =
分子
分母
基数词
序数词
>1
序数词+s
1/3 one third 1/6 one sixth3/4 three fourths 2/5 two fifths
【注意】 “分数+of+名词”作主语时，谓语动词的单复数由of 后名词的形式而定。 About two thirds of the water in the river comes from Yi River.这条河三分之二的水来自沂河。About two thirds of the children like playing computer games.三分之二的孩子喜欢玩电脑游戏。
(2) be made up of… 由……组成 表示由多种成分、团体、成员或单位等组成，并强调整体的构成或组成。 The team is made up of 5 doctors and 10 nurses. 这个队由5名医生和10名护士组成。 【拓展】make up 组成，构成，形成 Women students make up 56% of the student numbers. 女生占学生人数的56%。
Ⅰ.根据句意及相关提示填空。
1. The water here is s_________, not deep.2. Our teacher is e___________ our homework to make sure there are no mistakes.3. Look! The boy is playing with some __________ (火柴).4. There is little __________ (氧气) at the top of the mountains.5. Mr. Black sat down and lit a candle with a l____________.6. She kept me ___________(hold) the jar with my hand.
ighter
hallow
xamining
matches
oxygen
holding
Ⅱ.单项选择
_______ of the students in our class ______ going to summer camp in Beijing next week. A. Two fifths, is B. Second fifths, are C. Second fifths, is D. Two fifths, are2. If success is a gate, the road towards it must _________difficulties. A. be made of B. be made from C. be made up of D. be made by3. We have ______ all the water. Please give us some more. A. turned up B. used up C . eaten up D. set up4. Please fill the jar ______ oil. A. of B. with C. into D. over5. We should stop _______ disposable chopsticks(一次性筷子) and remember to protect the forest. A. use B. to use C. used D. using
D
C
B
B
D
Remember the new words and expressions learnt in this lesson.2. Describe the experiment to your friends.3. Preview Lesson 27.
Homework
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