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冀教版八年级下册Lesson 8 Why Are Plants Important?课堂教学课件ppt
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这是一份冀教版八年级下册Lesson 8 Why Are Plants Important?课堂教学课件ppt，文件包含Lesson8pptx、Lesson8mp3等2份课件配套教学资源，其中PPT共27页， 欢迎下载使用。
Key wrds & phrases: basic; It’s pleasant t d...; take energy frm...; in a wrd.Key sentences: 1. It’s pleasant t walk in the frest. 2. Trees and ther plants are imprtant t peple. 3. Peple use trees and ther plants in many ways. 4. The trees and plants take energy frm the sun and turn it int fd.T be able t talk abut the imprtance f plants.
Wrds & Expressins
pleasant shade fulfill basic silIt’s pleasant t energy a wrd
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；土壤做……很愉快从……获取能量总之；一句话
There are different kinds f plants in ur daily life !
Why d we need trees ?
1.Give them a place t live them with fd t eat.
1.Cver the the air.3. Beautify the envirnment.
1.Grw fruit.2. Prvide shade.2. Be made int many things.
What plants grw near yur hme?
Why d we need trees?
Trees play a majr rle in prducing xygen we breathe.
Many trees prvide fruit.
We get wd frm tree.
Trees prevent ersin f the sil, as well as prvide a hme fr a variety f animals.
Presentatin
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. 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！
Let’s D It!
1. Read the lessn and tick the items mentined．
□Peple can eat plants r use them as medicine. □Plants help make the air clean and fresh. □Many animals live in the frest. □Bks，paper，pencils and erasers all cme frm plants. □Animals eat the fruit frm the trees.
□The plants cver the sil and can stp the dust. □When the weather is sunny and ht，peple can sit in the shade under a tree. □The plants make everything lk beautiful. □Peple use wd frm trees t build huses and furniture.
2. Cmplete the passage with the crrect frms f the wrds in the bx.
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 ne f ur ________needs fr life. Many things are made frm trees and plants. 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.
3. Wrk in pairs. Think abut why we need plants. Discuss it and fill in the mind map. Yu can use sme ideas frm Activity 1.
Functins f trees (plants)
Fd r medicine：_______________
Shelter：_______________
Clthing and schl things：_______________
Envirnment：_______________
Language pints
1. It’s pleasant t walk in the frest. (教材P20)
pleasant adj. 使人愉快的；舒适的
相关词汇：please v. 取悦；使……高兴pleased adj. 高兴的pleasure n. 快乐pleasing adj. 令人满意的
辨析：pleasant 与 pleased
e.g. This is a pleasant jurney. 这是个令人愉快的旅行。If yu jump the queue, thers will nt be pleased.如果你插队，别人会不高兴的。
2. When the weather is sunny and ht, yu can sit in the shade under a tree. (教材P20)
shade n. 树阴；阴凉处 in the shade在树阴下；在阴凉处e.g. Sme girls are playing games in the shade.一些女孩正在树阴下玩游戏。
3. They help us fulfill ur basic needs. (教材P20)
help (sb.) (t) d sth. 帮助（某人）做某事help sb. with sth.(在某方面帮助某人)常与 help sb.(t)d sth. (帮助某人做某事)进行同义句转换。e.g. The cleaner helps clean the flr. 这台吸尘器有助于清洁地板。Jack likes t help his sister learn English.=Jack likes t help his sister with English.杰克喜欢帮助他的妹妹学习英语。
basic adj. 基本的；基础的 basic在句中可作定语或表语，常与介词t连用。e.g. 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。
4. The trees and plants take energy frm the sun and turn it int fd.(教材P20)
从……获取……frm 是介词，后面可接名词、代词或动名词。e.g. We can take energy frm the fd and drinks.我们能从食物和饮料中获取能量。
5. Medicine and clthing are als made frm trees and plants. (教材P20)
be made frm 由……制成
辨析：be made frm与be made f
6. That way, the wind and water dn’t carry the sil away. (教材P20)
把……带走/ 搬走e.g. Wuld yu please help me carry the heavy bag away?请你帮我把这个沉重的袋子搬走好吗?
与away有关的其他短语 把……带走 把……收起来/ 放好g away 走开
7. In a wrd, we can’t live withut plants! (教材P20)
in a wrd 总而言之，相当于in ne wrde.g. In a wrd, I can’t g ut as I have many things t d.总而言之， 我不能出去， 因为我有许多事情要做。
与wrd有关的其他短语：① have a wrd with... 与……谈一谈② have wrds with... 与……争吵③ in ther wrds 换言之；换句话说
1. Let’s ____ trees and the reasn why we need them. A. t talk abut B. talking abut C. talk with D. talk abut2. Dnuts dn’t grw _____ trees! A. in B. n C. at D. in 3. Can yu see seven mnkeys ____ the tree. A. n B. in C. f D. abve 4. The desks are made _______ wd. A. in B. frm C. int D. f
二、根据汉语意思完成句子
1. 在公园里散步真令人愉快。_______________ have a walk in the park.2. 我们可以从牛奶和鸡蛋中获取能量。We culd _______________ milk and eggs.3. 总之，我们必须马上离开。__________, we must leave right away.4. 这本书对我很重要。This bk is very ___________me.5. 面粉是用小麦做成的。Flur ___________ wheat.
It’s pleasant t
is made frm
take energy frm
Key wrds & phrases: basic; It’s pleasant t d...; take energy frm...; in a wrd.Key sentences: 1. It’s pleasant t walk in the frest. 2. Trees and ther plants are imprtant t peple. 3. Peple use trees and ther plants in many ways. 4. The trees and plants take energy frm the sun and turn it int fd.T be able t talk abut the imprtance f plants.
Wrds & Expressins
pleasant shade fulfill basic silIt’s pleasant t energy a wrd
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；土壤做……很愉快从……获取能量总之；一句话
There are different kinds f plants in ur daily life !
Why d we need trees ?
1.Give them a place t live them with fd t eat.
1.Cver the the air.3. Beautify the envirnment.
1.Grw fruit.2. Prvide shade.2. Be made int many things.
What plants grw near yur hme?
Why d we need trees?
Trees play a majr rle in prducing xygen we breathe.
Many trees prvide fruit.
We get wd frm tree.
Trees prevent ersin f the sil, as well as prvide a hme fr a variety f animals.
Presentatin
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. 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！
Let’s D It!
1. Read the lessn and tick the items mentined．
□Peple can eat plants r use them as medicine. □Plants help make the air clean and fresh. □Many animals live in the frest. □Bks，paper，pencils and erasers all cme frm plants. □Animals eat the fruit frm the trees.
□The plants cver the sil and can stp the dust. □When the weather is sunny and ht，peple can sit in the shade under a tree. □The plants make everything lk beautiful. □Peple use wd frm trees t build huses and furniture.
2. Cmplete the passage with the crrect frms f the wrds in the bx.
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 ne f ur ________needs fr life. Many things are made frm trees and plants. 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.
3. Wrk in pairs. Think abut why we need plants. Discuss it and fill in the mind map. Yu can use sme ideas frm Activity 1.
Functins f trees (plants)
Fd r medicine：_______________
Shelter：_______________
Clthing and schl things：_______________
Envirnment：_______________
Language pints
1. It’s pleasant t walk in the frest. (教材P20)
pleasant adj. 使人愉快的；舒适的
相关词汇：please v. 取悦；使……高兴pleased adj. 高兴的pleasure n. 快乐pleasing adj. 令人满意的
辨析：pleasant 与 pleased
e.g. This is a pleasant jurney. 这是个令人愉快的旅行。If yu jump the queue, thers will nt be pleased.如果你插队，别人会不高兴的。
2. When the weather is sunny and ht, yu can sit in the shade under a tree. (教材P20)
shade n. 树阴；阴凉处 in the shade在树阴下；在阴凉处e.g. Sme girls are playing games in the shade.一些女孩正在树阴下玩游戏。
3. They help us fulfill ur basic needs. (教材P20)
help (sb.) (t) d sth. 帮助（某人）做某事help sb. with sth.(在某方面帮助某人)常与 help sb.(t)d sth. (帮助某人做某事)进行同义句转换。e.g. The cleaner helps clean the flr. 这台吸尘器有助于清洁地板。Jack likes t help his sister learn English.=Jack likes t help his sister with English.杰克喜欢帮助他的妹妹学习英语。
basic adj. 基本的；基础的 basic在句中可作定语或表语，常与介词t连用。e.g. 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。
4. The trees and plants take energy frm the sun and turn it int fd.(教材P20)
从……获取……frm 是介词，后面可接名词、代词或动名词。e.g. We can take energy frm the fd and drinks.我们能从食物和饮料中获取能量。
5. Medicine and clthing are als made frm trees and plants. (教材P20)
be made frm 由……制成
辨析：be made frm与be made f
6. That way, the wind and water dn’t carry the sil away. (教材P20)
把……带走/ 搬走e.g. Wuld yu please help me carry the heavy bag away?请你帮我把这个沉重的袋子搬走好吗?
与away有关的其他短语 把……带走 把……收起来/ 放好g away 走开
7. In a wrd, we can’t live withut plants! (教材P20)
in a wrd 总而言之，相当于in ne wrde.g. In a wrd, I can’t g ut as I have many things t d.总而言之， 我不能出去， 因为我有许多事情要做。
与wrd有关的其他短语：① have a wrd with... 与……谈一谈② have wrds with... 与……争吵③ in ther wrds 换言之；换句话说
1. Let’s ____ trees and the reasn why we need them. A. t talk abut B. talking abut C. talk with D. talk abut2. Dnuts dn’t grw _____ trees! A. in B. n C. at D. in 3. Can yu see seven mnkeys ____ the tree. A. n B. in C. f D. abve 4. The desks are made _______ wd. A. in B. frm C. int D. f
二、根据汉语意思完成句子
1. 在公园里散步真令人愉快。_______________ have a walk in the park.2. 我们可以从牛奶和鸡蛋中获取能量。We culd _______________ milk and eggs.3. 总之，我们必须马上离开。__________, we must leave right away.4. 这本书对我很重要。This bk is very ___________me.5. 面粉是用小麦做成的。Flur ___________ wheat.
It’s pleasant t
is made frm
take energy frm
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