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冀教版八年级下册Lesson 8 Why Are Plants Important?教学演示ppt课件
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这是一份冀教版八年级下册Lesson 8 Why Are Plants Important?教学演示ppt课件，文件包含Lesson8pptx、Unit2第2课时DOC、L8课文朗读mp3等3份课件配套教学资源，其中PPT共32页， 欢迎下载使用。
1. Be able t use the wrds: pleasant, shade, fulfill, basic, sil, s many, in the shade, ver there, in many ways, take energy frm..., be made frm, carry away, lk beautiful, in a wrd2. T learn abut the imprtant f trees and sme functins f them
Learning Targets
3. T learn sme key sentences: · When the weather is sunny and ht, yu can sit in the shade under a tree. · They help us fulfill ur basic needs. · The trees and plants take energy frm the sun and turn it int
Wrds and expressins
pleasant shade fulfillbasic sil
adj. 使人愉快的n. 树荫；阴凉处v. 达到；执行adj. 基本的；基础的n. 土；土壤
What kind f plant d yu like?
I like , and I als like sun flwers.
What plants grw near yur hme?
There are many tall trees and beautiful flwers.
THINK ABOUT IT
Why d we need trees ?(1) Tree can clean the air. (2) We can sit under a tree in the shade.(3) The trees and plants take energy frm the sun and turn it int fd.(4) Medicine and clthing are made frm trees and plants.(5) Many animals live in the frest and eat the fruit frm the trees.(6) Cver the sil.
Danny, Jenny and Brian are walking in a frest.Jenny: I lve this frest. There are s many trees and plants. The air is always clean and fresh.Brian: Yes. Trees and ther plants help clean the air. Jenny: That's true. It’s pleasant t walk in the frest. When the weather is sunny and ht, yu can sit in the shade under a tree. It s nice and cl.
Listen and read.
Presentatin
Danny: I'm hungry! Maybe I can eat a plant.Brian: Sure, Danny! Lk, there is an apple tree ver there!Danny: Is there a dnut tree?Brian: Dnuts dn’t grw n trees!Jenny: Trees and ther plants are imprtant t peple. They help us fulfill ur basic needs.Brian: That’s fr sure. Peple use trees and ther plants in many ways. The trees and plants take energy frm the sun and turn it int fd. Medicine and clthing are
als made frm trees and plants. Jenny: The frest is imprtant t animals, t. Many animals live in the frest and eat the fruit frm the trees. They eat ther plants, t. Brian: And plants cver the sil. That way, the wind and water dn’t carry the sil away. Plants als make everything lk beautiful. Danny: In a wrd, we can’t live withut plants!
Wrker: Exactly. A lt f rich lands in the nrthern area have turned int desert. Li Ming: I suppse tree planting is very imprtant wrk.Wang Mei: Fr sure. I really like this prject. It’s als a great way t learn abut nature.Wrker: Yes. It’s fun and imprtant t plant plants. Oh, and please remember t put a little water in the bttm f the hle.
Let’s D It!
1. Peple can eat plants r use them as medicine.
2. Plants help make the air clean and fresh.
3. Many animals live in the frest.
Read the lessn and tick the items mentined
4. Bks, paper, pencils and erasers all cme frm plants.
5. Animals eat the fruit frm the trees.
6. The plants cver the sil and can stp the dust.
7. When the weather is sunny and ht, peple can sit in the shade under a tree.8. The plants make everything lk beautiful.9. Peple use wd frm trees t build huses and furniture.
basic shade frest cver pleasant
There are many trees and plants. It’s __________t walk in the frest. When the weather is sunny and ht, yu can sit in the_______ under a tree. Trees and ther plants are ur _______ needs fr life. Many things are made frm trees and plants.
Cmplete the passage with the crrect frms f the wrds in the bx.
Mst animals live in the _______and eat the fruit frm the trees. And plants ______ the sil. That way, the wind and water dn’t carry the sil away.
take energy frm… in a wrd be made frm It’s pleasant t d … fulfill ne’s needs carry away
从…获取能量总之，一句话由……制成做……很愉快满足……的需求把……搬（移）走
Wrk in pairs. Think abut why we need plants. Discuss it and fill in the mind map. Yu can use sme ideas frm Acticity 1.
Fd r medicine:1. Peple can eat plants Or use them as medicine.2. Animals eat the fruits frm the trees.
Shelter:1.Many animals live in the use wd frm trees t build huses and furniture.
Clthing and schl things:1.Peple can make clthing frm plants2.Bks,papers,pencils and erasers all cme frm plants
Envirnment:1.Plants help make the air clean and plants cver the sil and can stp the dust.
Functins f trees (plants)
1. There are s many trees and plants. s adv.如此；这么。 用法：① s many/much/few/little＋名词 表示 “如此多/少的……” 其中，many/few修饰可数名 词复数，much/little修饰不可数名词。 例：It's hard t believe that he has made s much prgress. 难以置信他取得如此大的进步。
Language pints
② s＋形容词/副词。例：It's s cld tday.今天天气真冷。③s＋形容词＋a/an＋可数名词单数。它可与 “such＋a/an＋形容词＋可数名词单数” 进行句型转换。例：She is s beautiful a girl. =She is such a beautiful girl. 她是如此美丽的一个女孩。
2. It's pleasant t walk in the frest. 固定句式：It's pleasant t d sth.意为“做……是令人愉快的/惬意的”。例：It's pleasant t swim in the river in summer.夏天在河里游泳是令人愉快的。It’s pleasant t talk with ur friends. 和朋友一起聊天很愉快。
3.When the weather is sunny and ht，yu can sit in the shade under a tree. in the shade 在树阴下；在阴凉处。例：Sme girls are playing games in the shade.一些女孩正在树阴下玩游戏。Temperatures in the shade can reach eighteen degrees at this time f a year. 一年中的这个时候，阴凉处的温度能达到18摄氏度。
4.They help us fulfill ur basic needs.（1）fulfill v. 达到，实现，执行例：We must fulfill the plan, whatever happens.我们无论如何都要完成计划。What imprtant dream have yu yet t realize and fulfill?你有什么重要的梦想还没有实现和完成？fulfill ne’s needs 满足某人的需要The earth help human beings fulfill their basic needs.地球帮助人类实现最基本的需求。
（2）basic adj.基本的；基础的。它在句中可作定语或表语， 常与介词t连用。例：These are the basic rules f playing basketball.这些是打篮球的基本规则。Drums are basic t African music.鼓是非洲音乐的基本乐器。
5. The trees and plants take energy frm the sun and turn it int fd. (1)take…frm… 从……获取…… frm是介词，后面可接名词、代词或动名词。例：We can take energy frm the fd and drinks.我们能从食物和饮料中获取能量。(2)turn…int…意为“把……变成……”例：The man turns the tree int a twer.这个人把这棵树变成了一座塔。
6. In a wrd, we can't live withut plants！ in a wrd 总之，一句话。常放在句首表示归纳和 总结。 例：In a wrd, yur speech cheered up many peple and help them wrk ut a lt f prblems. 总之，你的演讲让许多人振作起来了，并且帮助 他们解决很多问题。 In a wrd, I have a bad day in the theme park. 总之，我在主题公园玩得很不开心。
1. All plants take energy ______ the sun and make it ______ fd. A. t; frm B. int; t C. frm; t D. frm; int2. Plants cver the sil. Then the wind and water dn’t carry the sil ___. A. in B. ut f C. away D. n
3. In____ wrd, we believe what ur teachers said. A．the B．a C．an D．/ 4. Let’s ____ trees and the reasn why we need them. A. t talk abut B. talking abut C. talk at D. talk abut5. The cld weather turns water ________ ice. A．in B．int C．at D．abut6. The desks are made _______ wd. A. in B. frm C. int D. f7. We make bks ____ trees. A. frm B. n C. at D. in
二、把括号内单词的正确形式填到横线上。
Trade _____ (有助于) the develpment f industry. It’s _________(愉快的) t climb muntain. ________(没有) fd, they wuld have nthing t eat and they wuld die.4. We can sit in the _____ (树荫)under the tree. 5. Trees and plants help us _______(满足) ur basic needs. 6. Other structures will be _____ ____ (由…制成) high tech materials called memry metals.
1.一些女孩正在树阴下玩游戏。 Sme girls are playing .2. 繁重的工作把那个年轻的男子变成了一个疲惫 的人。 Hard wrk the yung man a tired persn.3. 她是如此可爱的一个女孩。 She is lvely girl that we all like her.
三、根据汉语意思完成句子。
in the shade
turned int
such a
1. Learnt sme new wrds and expressins，such as be made frm/f, Learnt the imprtance f plants.
1. Be able t use the wrds: pleasant, shade, fulfill, basic, sil, s many, in the shade, ver there, in many ways, take energy frm..., be made frm, carry away, lk beautiful, in a wrd2. T learn abut the imprtant f trees and sme functins f them
Learning Targets
3. T learn sme key sentences: · When the weather is sunny and ht, yu can sit in the shade under a tree. · They help us fulfill ur basic needs. · The trees and plants take energy frm the sun and turn it int
Wrds and expressins
pleasant shade fulfillbasic sil
adj. 使人愉快的n. 树荫；阴凉处v. 达到；执行adj. 基本的；基础的n. 土；土壤
What kind f plant d yu like?
I like , and I als like sun flwers.
What plants grw near yur hme?
There are many tall trees and beautiful flwers.
THINK ABOUT IT
Why d we need trees ?(1) Tree can clean the air. (2) We can sit under a tree in the shade.(3) The trees and plants take energy frm the sun and turn it int fd.(4) Medicine and clthing are made frm trees and plants.(5) Many animals live in the frest and eat the fruit frm the trees.(6) Cver the sil.
Danny, Jenny and Brian are walking in a frest.Jenny: I lve this frest. There are s many trees and plants. The air is always clean and fresh.Brian: Yes. Trees and ther plants help clean the air. Jenny: That's true. It’s pleasant t walk in the frest. When the weather is sunny and ht, yu can sit in the shade under a tree. It s nice and cl.
Listen and read.
Presentatin
Danny: I'm hungry! Maybe I can eat a plant.Brian: Sure, Danny! Lk, there is an apple tree ver there!Danny: Is there a dnut tree?Brian: Dnuts dn’t grw n trees!Jenny: Trees and ther plants are imprtant t peple. They help us fulfill ur basic needs.Brian: That’s fr sure. Peple use trees and ther plants in many ways. The trees and plants take energy frm the sun and turn it int fd. Medicine and clthing are
als made frm trees and plants. Jenny: The frest is imprtant t animals, t. Many animals live in the frest and eat the fruit frm the trees. They eat ther plants, t. Brian: And plants cver the sil. That way, the wind and water dn’t carry the sil away. Plants als make everything lk beautiful. Danny: In a wrd, we can’t live withut plants!
Wrker: Exactly. A lt f rich lands in the nrthern area have turned int desert. Li Ming: I suppse tree planting is very imprtant wrk.Wang Mei: Fr sure. I really like this prject. It’s als a great way t learn abut nature.Wrker: Yes. It’s fun and imprtant t plant plants. Oh, and please remember t put a little water in the bttm f the hle.
Let’s D It!
1. Peple can eat plants r use them as medicine.
2. Plants help make the air clean and fresh.
3. Many animals live in the frest.
Read the lessn and tick the items mentined
4. Bks, paper, pencils and erasers all cme frm plants.
5. Animals eat the fruit frm the trees.
6. The plants cver the sil and can stp the dust.
7. When the weather is sunny and ht, peple can sit in the shade under a tree.8. The plants make everything lk beautiful.9. Peple use wd frm trees t build huses and furniture.
basic shade frest cver pleasant
There are many trees and plants. It’s __________t walk in the frest. When the weather is sunny and ht, yu can sit in the_______ under a tree. Trees and ther plants are ur _______ needs fr life. Many things are made frm trees and plants.
Cmplete the passage with the crrect frms f the wrds in the bx.
Mst animals live in the _______and eat the fruit frm the trees. And plants ______ the sil. That way, the wind and water dn’t carry the sil away.
take energy frm… in a wrd be made frm It’s pleasant t d … fulfill ne’s needs carry away
从…获取能量总之，一句话由……制成做……很愉快满足……的需求把……搬（移）走
Wrk in pairs. Think abut why we need plants. Discuss it and fill in the mind map. Yu can use sme ideas frm Acticity 1.
Fd r medicine:1. Peple can eat plants Or use them as medicine.2. Animals eat the fruits frm the trees.
Shelter:1.Many animals live in the use wd frm trees t build huses and furniture.
Clthing and schl things:1.Peple can make clthing frm plants2.Bks,papers,pencils and erasers all cme frm plants
Envirnment:1.Plants help make the air clean and plants cver the sil and can stp the dust.
Functins f trees (plants)
1. There are s many trees and plants. s adv.如此；这么。 用法：① s many/much/few/little＋名词 表示 “如此多/少的……” 其中，many/few修饰可数名 词复数，much/little修饰不可数名词。 例：It's hard t believe that he has made s much prgress. 难以置信他取得如此大的进步。
Language pints
② s＋形容词/副词。例：It's s cld tday.今天天气真冷。③s＋形容词＋a/an＋可数名词单数。它可与 “such＋a/an＋形容词＋可数名词单数” 进行句型转换。例：She is s beautiful a girl. =She is such a beautiful girl. 她是如此美丽的一个女孩。
2. It's pleasant t walk in the frest. 固定句式：It's pleasant t d sth.意为“做……是令人愉快的/惬意的”。例：It's pleasant t swim in the river in summer.夏天在河里游泳是令人愉快的。It’s pleasant t talk with ur friends. 和朋友一起聊天很愉快。
3.When the weather is sunny and ht，yu can sit in the shade under a tree. in the shade 在树阴下；在阴凉处。例：Sme girls are playing games in the shade.一些女孩正在树阴下玩游戏。Temperatures in the shade can reach eighteen degrees at this time f a year. 一年中的这个时候，阴凉处的温度能达到18摄氏度。
4.They help us fulfill ur basic needs.（1）fulfill v. 达到，实现，执行例：We must fulfill the plan, whatever happens.我们无论如何都要完成计划。What imprtant dream have yu yet t realize and fulfill?你有什么重要的梦想还没有实现和完成？fulfill ne’s needs 满足某人的需要The earth help human beings fulfill their basic needs.地球帮助人类实现最基本的需求。
（2）basic adj.基本的；基础的。它在句中可作定语或表语， 常与介词t连用。例：These are the basic rules f playing basketball.这些是打篮球的基本规则。Drums are basic t African music.鼓是非洲音乐的基本乐器。
5. The trees and plants take energy frm the sun and turn it int fd. (1)take…frm… 从……获取…… frm是介词，后面可接名词、代词或动名词。例：We can take energy frm the fd and drinks.我们能从食物和饮料中获取能量。(2)turn…int…意为“把……变成……”例：The man turns the tree int a twer.这个人把这棵树变成了一座塔。
6. In a wrd, we can't live withut plants！ in a wrd 总之，一句话。常放在句首表示归纳和 总结。 例：In a wrd, yur speech cheered up many peple and help them wrk ut a lt f prblems. 总之，你的演讲让许多人振作起来了，并且帮助 他们解决很多问题。 In a wrd, I have a bad day in the theme park. 总之，我在主题公园玩得很不开心。
1. All plants take energy ______ the sun and make it ______ fd. A. t; frm B. int; t C. frm; t D. frm; int2. Plants cver the sil. Then the wind and water dn’t carry the sil ___. A. in B. ut f C. away D. n
3. In____ wrd, we believe what ur teachers said. A．the B．a C．an D．/ 4. Let’s ____ trees and the reasn why we need them. A. t talk abut B. talking abut C. talk at D. talk abut5. The cld weather turns water ________ ice. A．in B．int C．at D．abut6. The desks are made _______ wd. A. in B. frm C. int D. f7. We make bks ____ trees. A. frm B. n C. at D. in
二、把括号内单词的正确形式填到横线上。
Trade _____ (有助于) the develpment f industry. It’s _________(愉快的) t climb muntain. ________(没有) fd, they wuld have nthing t eat and they wuld die.4. We can sit in the _____ (树荫)under the tree. 5. Trees and plants help us _______(满足) ur basic needs. 6. Other structures will be _____ ____ (由…制成) high tech materials called memry metals.
1.一些女孩正在树阴下玩游戏。 Sme girls are playing .2. 繁重的工作把那个年轻的男子变成了一个疲惫 的人。 Hard wrk the yung man a tired persn.3. 她是如此可爱的一个女孩。 She is lvely girl that we all like her.
三、根据汉语意思完成句子。
in the shade
turned int
such a
1. Learnt sme new wrds and expressins，such as be made frm/f, Learnt the imprtance f plants.
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