八年级下册Lesson 8 Why Are Plants Important?教课内容ppt课件

这是一份八年级下册Lesson 8 Why Are Plants Important?教课内容ppt课件，共17页。PPT课件主要包含了Listening，Reading，Grammar，clean，to walk，fulfill，made from，make，so many，basic等内容，欢迎下载使用。

Warming-up:
Let’s enjy a vide:
Listen t the lessn and answer the questin:
What are Danny, Jenny and Brian talking abut?They are talking abut trees and the reasn why we need them.
Let’s D It!
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.
Danny, Jenny and Brain are walking in a frest.J: I lve this frest. There are s many trees and plants. The air is always clean ahd fresh. B: Yes. Trees and ther plants help clean the air.J: That's true. It's pleasant t walk in the frest. When the weather is sunny and ht, peple can sit in the shade under a tree. It’s nice and cl. It's nice and cl.D: I'm hungry! Maybe I can eat a plant!B: Sure,Danny! Lk,There is an apple tree ver there.
s many + n.复数
help sb. d sth. 帮助某人做某事
It's + adj. + t d sth. 做某事是…
Read the lessn again and take ntes.
D: Is there a dnuts tree?B: Dnuts dn't grw n trees!J: Trees and ther plants are imprtant t peple. They help us fulfil ur basic needs.B: 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.
树上长的东西用n, 在树上的用in .如鸟在树上，bird in the tree
sth. is imprtant t sb. 对某人来说某物是重要的
basic needs 基本的需求
take energy frm 从…获取能量
turn sth. int 把……转换成……
be made frm 由……制成
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.B: And plants cver the sil. That way, the wind and water dn’t carry the sil away. Plants als make everything lk beautiful.D: In a wrd, we can't live withut plants.
in a wrd 总而言之
make sth. d 使某物…
cver v. 覆盖
carry sth. away 把某物带走
language pints:
It’s pleasant t d… 做….很愉快It’s pleasant t live in beautiful surrundings.生活在优美的环境里是令人愉快的。
辨析 pleasant与pleased
2. fulfill v. 达到，实现，执行We must fulfill the plan, whatever happens.无论如何要完成计划。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。
3. take energy frm… 从……获取能量All plants and animals take energy frm the sun.所有的动植物都从太阳获取能量。Peple must take energy frm fd. 人必须从食物中获取能量。
4. be made frm… 由……制成 The huse is made frm steel. 房子是由钢铁制成的。 The paper is made frm wd. 纸是树木做的。 Clth made frm silk is famus fr its lightness and beauty． 丝绸以轻而美著称。
5. carry away 把……搬（移）走The fld carried away the wden bridge. 洪水把木桥冲走了。拓展：carry ff 轻而易举地完成 carry ut 执行 carry frward 发扬，推进
Danny, Jenny and Brian are walking in a frest. Brian thinks that trees and ther plants help ______ the air. Jenny says it is pleasant _______ in the frest. He believes trees and ther plants are imprtant t peple. They help peple _____ their basic needs. The trees and plants take energy frm the sun and __________ fd. Medicine and clthing are als __________ trees and plants. And many animals live in the frest and plants als ______ everything lk beautiful!
Fill in the blanks and try t retell the text.
turn it int
Cnslidatin:
Key phrases we learn tday:
从…中获取能量______________总而言之 ____________对…来说某事是重要的 _____________如此多的 ________帮助做某事 ___________把…转换成… ___________由…制成 ______________带走……______________
take energy frm
sth. is imprtant t ...
help d sth.
turn ... int ...
take sth. away
be made frm
Cmplete the passage with the crrect frms f the wrds in the bx.
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 the 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 andwater dn't carry the sil away.
basic, shade, frest, cver, pleasant
Wrk in pairs. Think abut why we need plants.Discussit and fill in the mind map. Yu can use sme ideas frmActivity 1.
Envirnment：____________________
Clthing and schl things：_____________________
Shelter：____________________
Fd r medicine：____________________
Functins f trees (plants)
1．Fd is ur________(基本的) need.2．They have a________(令人愉快的) trip.3．Peple like t have a rest in the________(阴凉处)f the tree.4．Trees and ther plants help us________(满足) sme needs.5．The air is always clean and fresh in the________(森林)．
根据提示及句意完成句子:
用方框中所给短语的适当形式填空:
6． __________, man can't live withut water.7．The strm ________ the huse ________．8．What he said _______________ us.9．The trees ________________the sun and turn it int fd.10．_______________ three times a day and yu will be well.
carried away
is imprtant t
Take the medicine