lesson8_why_are_plants_important
树本身的东西，长在树上。
in the tree
外来的东西，不是树本身的东西
e.g.树上有几只鸟. There are some birds in the tree.
树上有很多苹果.
There are many apples on the tree.
看! 风筝在树上.
Look! The kite is in the tree.
5.Plants cover the soil. That way, the wind and water don’t carry the soil away. 6.Plants also make everything look beautiful. 7.Many animals live in the forest and eat the fruit from the trees.
We
make many medicine from plants. What’s medicine? Doctors use medicine to help sick people.
We use wood from trees to build houses and furniture. Tables, chairs and beds are furniture. So is your desk. Many animals live in the forest.
For
food There are about eighty thousand different plants in the world that people can eat. But half of the world’s food comes from only three plants: rice, corn and wheat.
在零下摄氏度的时候水会变成 冰。
Water turns into ice at zero degrees Celsius.
5.Medicine and clothing are also made from trees and plants.
与make 有关的被动语态的短语 be made from 由(看不出原料)制成
Lesson 8
Why Are Plants Important?
4.Is it easy to water your garden? 浇你的花园容易吗？ It is +形容词+to do… “做某事是…” It is + 形容词：easy, hard, difficult, dangerous, interesting, important, useful, pleasant, safe, impossible 等。 It is+ 形容词+of sb to do…常用于此类的形 容词有good, nice, kind, polite, foolish, careful, careless等。
3. Wine______ wheat.
A. is made from B. is made of C. is made by D. is made in
4. I would fail___your help. A. in B. with C. within D. without
Why do we need plants? Find some answers to this question. Write down your answers.
Exercise
1. All plants take energy ______ the sun and turn it ______ food. A. to; from B. into; to C. from; to D. from; into
2. Plants can help __ the air. A. to clean B. cleaning C. clean D. of cleaning
be made of
be made by be made in
由(看出原料)制成
被(某人)制造 在(某地)制造
6. In a word, we can’t live without plants. without
介词
“没有”
e.g.他没有吃早饭就去上学了. He went to school without breakfast. 他没说再见就走了. He left without saying good-bye. 没有水鱼就不能活. Fish can’t live without water.
soil n. 土，土壤
shade n.
树荫
pleasant
fulfill basic
adj. 使人愉快的 v. 达到；执行 adj. 基本的；基础的
In pairs,Read the text and answer to the following questions
*What would happen without food? *What kind of things can
In
a word, we without plants.
can’t
live
Mr. Wu often helps me with my English. 吴先生帮我学英语。
2. Then we can sit in the shade
under a tree.
in the shade
“在阴凉处”
类似短语
in the sun in the light
在阳光下 在灯光下
3. Donuts don’t grow on trees! on trees “在树上”
Is your shirt made of cotton? Cotton is made from the cotton plant. Do you have a hat made of straw? Straw hats are made from the stems of grass plants.
Look
at the things on your desk. Books, paper, pencils, erasers and the ink in your pen all come from plants.
For environment
Plants help make the air clean and fresh.
The plants cover the soil and can stop the dust.
Summarize: the importance of trees or plants
Trees
are
very
important
to
people
1.Trees and other plants help clean the air. 2.Trees and plants are important to people, they help us fulfill our basic needs. We can build things with trees. 3.The trees and plants take energy from the sun and turn it into food. 4.Medicine and clothing are also made from trees and plants.
trees（plants） doan the air. 树能帮着清洁 空气。 help vt. 帮助 help sb. (to) do sth.=help sb. with sth. “帮助某人做某事” Mr. Wu helps me learn English. =
4. The trees and plants take energy from the sun and turn it into food.
take energy from “从…中获取能量”
turn…into… “把…转化…” e.g.我们可以把树制成纸. We can turn the tree into paper.
Why are plants important? • Trees help____ clean the air. • Trees ____us food. give • We can ____things with trees. build • We can ___ sit under a tree. • We make ___ books from trees. live in trees. • Many animals ____
冀教2011课标版八年级下册第2单元Lesson 8 Why Are Plants Important(共18张PPT)
The trees and plants can take energy from the sun.
3.Why are trees and other plants important to people?
Trees and other plants help clean the air. They help us fulfill our basic needs. Medicine and clothing are also made from trees and plants. …….
2020/5/4
They give us food , like apples, bananas and oranges.
Many animals live in the forest and they eat fruit and leaves from the trees.
We can make and build td houses.
uncovered
Trees and other plants cover the soil. The wind and water don’t carry the soil away.
Trees and other plants make everything look beautiful. In a word, they help us fulfill our basic needs . we can't live without plants.
In a word, they help us fulfill our basic needs. we can't live without plants.
八年级英语下册Unit2PlantaPlantLesson8WhyArePlantsImportant课件(新版)冀教版
If there is no tree in the world, Then …
But, if we plant more trees. Then…
Think about it: What plants grow near your home?
Thank you
[dig]
→ → something anything nothing 没有东西
made → shade 阴凉处 in the shade [ʃeid]
airplane → air 空气 [eə]
please → pleasant adj 使人愉快的 [pleznt]
between → among
4.take energy from 从……获取能量 All plants take energy from the sun 5.in a word 总之，一句话 In a word, our teacher loves all of us. 6.be important to 对……很重要 Studying hard is important to the students. 7.carry … away 带走 The flood carried plenty of soil away in summer.
两者之间
三者以上
Language points: 1.so many/much/few/little+名词 There are so many students in our school . I have drunk so much water. 2.It’s pleasant to do 做……很愉快 It’s pleasant to talk with our friends. 3.nice and +adj/adv 很，挺，…….得很 It’s nice and hot in summer
冀教版英语八年级下册Unit 2：Lesson 8 Why are Plants Important
<<Why Are Plants Important? >>教学设计【教材依据】本节教学设计来自于冀教版第四册书第二单元Plant a plant!第8课《Why Are Plants Important?》.本单元围绕植物和园艺这一话题展开教学。
课本先从Li Ming ,Wang Mei 和工人植树开始，要求学生了解植树的常用语和植树的作用，接着详细介绍了植物的重要性，园艺，打理花园，奇异的植物和丹尼自己种植的植物。
本课是本单元的第二课，在本单元起着承上启下的关键作用！并且也为本册书第8 单元Save Our World环境保护主题奠定了坚实的学习基础！更是我们中考练习环保话题写作的上好素材！一、设计思路1、指导思想。
本节课是继介绍植树的步骤后教材安排学习研究的第二个内容：植物的重要性。
在设计本课教学时注重面向全体学生，关注语言学习者的不同特点和个人差异，主要落实“1.听：在听录音时有目的地获取所需关键信息。
（clean; ways & without） 2.读：①泛读：快速浏览文章，根据Let’s Do It!No.1习题中提供的9个句子迅速找出文章中提到的植物的重要性相关语句！②精读：根据Let’s Do It! No.1中提供的9个有关于介绍植物重要性的语句对植物的重要性从4个方面（Food or medicine; Shelter; Clothing and school things& Environment）做个归类，从而完成Let’s Do It! No.3的习题。
③细读：仔细阅读对话内容，根据提供的单词完成介绍植物重要性的短片，完成Let’s Do It! No.2的习题.3.说：根据教师所提供的思维导图及多媒体展示的图片，学生能用自己话阐述植物的重要性。
4.写：通过本课的学习，要求学生课后写一篇介绍植物重要性的文章作为练笔。
从语言技能听，说，读，写四个方面全面突破理解植物的重要性。
2022年冀教版《L8 Why Are Plants Important》课件 (1)
一般疑问句式为:Was/Were+主语+动词的现在分词+其他?如: Were they playing basketball at that time? 那时他们正在打篮球吗? 特殊疑问句式为:特殊疑问词+was/were+主语+动词的现在分词+其他?如: What were they doing at that time? 他们那时正在干什么? 3.与过去进行时连用的时间状语:this morning,at that time, at this
单元语法归纳
(一) 过去进行时
1.过去进行时的概念:表示过去某个具体时刻正在进行的事情或动作。 2.过去进行时的构成:主语+was/were+doing (现在分词)+其他
肯定句式为:主语+was/were+动词的现在分词+其他。如: They were playing basketball at that time. 那时他们正在打篮球。 否认句式为:主语+was/were+not+动词的现在分词+其他。如: They were not playing basketball at that time. 那时他们不在打篮球。
二、句型转换 6.Grandpa was mending his clock when I reached home.(改为一般疑问句)
Was grandpa mending his clock when you reached home? 7.We were singing and dancing from 3 to 5 yesterday afternoon. (对画线部
—___A___.
lesson8-Why-Are-Plants-Important-教学设计
八年级英语下册第二单元Lesson 8 Why Are Plants Important ?课型：新授课学情分析：八年级学生对于英语有了一定的基础，而且本课是关于植物的重要性，学生对于植物并不陌生，本课是本单元第二课，学生对于植物话题已经简单提到过，所以，我安排在开始让学生用简单言语表达下植物的重要性，在以前有部分词组学生已经了解了，比如be made of ... ,turn ... into ...教学目标：知识目标：掌握词汇：basic接触词汇：pleasant , shade , fulfill , soil短语和句型：It's pleasant to do ... , take energy from ... , be made from ... , in a word能力目标：能用英语表达植物的重要性，熟悉课文中提到的植物的作用。
情感目标：了解植物在生活中的作用，利用所学知识与同学进行真实交流，培养交际策略。
重点：Some phrases: It’s pleasant to do ... be made from ... carry ...away ... take energy from ...难点：能用英语表达植物的重要性。
TEACHING STEPS：STEP 1 . Lead in and learn the new words.Lead in : Show a short movie about duststorm .Teacher: What can you see in the movie?Students : Duststorm.Teacher: Yes , It’s harmful for us. How to stop it?Students: Plant trees and plants. Plants are important ,Teacher : Yes. Why are plants important? OK , let’s talk .STEP 2. Listen.Listen to the tape and fill in the blanks.二．Listen and fill in the blanks.1.The air in the forest is _____ and fresh .2.You can sit in the______ under a tree when the weather is sunny and hot.3.We can’t live ______ plants.STEP 3 . Fast reading .Read the lesson and do underline the following phrases.从…中获取能量______________总而言之____________干某事是愉快的_____________由…制成________帮助做某事___________把…转换成…___________满足某人的基本需求___________________带走……__________STEP 4 . Carefully reading .Read carefully and then finish the following tasks.1. Danny ,Jenny and Brian are walking in the street. ( T / F)2. What would happen without food?_________________ to walk in the forest.4.What does Danny want to plant ?That way , the wind and water don’t carry the soil away. (Translate) Check the answers , Write the phrase be made of ...,be made from... , take energy from... , turn into ...on the blackboard.STEP 5 .Apply.CLSAA WORK : Applying knowledge .Work in groups .Discuss why we need plants and fill in the mind map . Step 6. Summary.Teacher and the students sum up what they learnt in this lesson. ask them to make notes.STEP 7 . Do some exercises .We can sit in the _____ (树荫)under the tree.It’s _________(愉快的) to climb the mountain.3. Trees help us _____(满足) our basic needs.4. _________, (总而言之)we can’t live without the water.5. All trees take energy __ the sun and turn it __ food.A. to; fromB. into; toC. from; toD. from; into6. Plants cover the soil. Then the wind and water don’tcarry the soil ___.A. inB. out ofC. awayD. on7.There are some monkeys ___ the trees.A. onB. withC. toD. in8. beautiful, look, make, everything, the, plants_______________________________________Step 8. Homework.Write a short passage about plants' importance.Complete Let’s Do It ! No.1 and 2.Preview the next lesson.板书设计：Lesson 8 Why Are Plants Important?eat plants take energy from ...help clean the air It’s pleasant to do ...in the shade be made of/from ...fulfill our basic needs turn into ...cover soil carry away课后反思：。
冀教版八年级下册 lesson 8：Why are plants important 课程教学设计
6.
Read and Answer
1.What are Danny, Jenny and Brian talking about?
2.Where can the trees and plants take energy from?
3.3. Why are plants important?
4.
Exercise: tick the sentences mentioned
in the lesson.
(Let’s Do It! No1)
学习单词和短语，根据音标朗读，教师纠正发音，师友互读，师友展示朗读。
学生在文章中勾画短语，并标注其汉语意思。
听录音，根据所给问题，听取正确答案。师友交流答案，展示答案，全班纠正。找学师点拨做题时的易错点。
读课文，回答问题。学生根据所给问题在文章中找出该问题的答案，并与同桌交流答案，师友展示，其他师友组补充，学师对学友的答案进行点评。
通过设置学习单词的情景，使学生们更直观地掌握单词的意思并且在单词教学中带领学生们进行单词拼读，使他们能当堂掌握部分单词的拼写。
Learn phrases：出示短语take energy from, in a word, be made from, It’s pleasant to do, fulfill one’s basic needs
Listen & Do (Listen to the tape and do the following exercises)
根据所学单词，设置了听力任务，主要考察学生听取信息的能力并且对所学单词进行了操练巩固。
八年级英语下册Unit2PlantaPlantLesson8WhyArePlantsImportant教案(新版)冀教版
Unit 2 Plant a PlantLesson 8 Why are plants important?本单元围绕“植树”这个话题，学习和了解植树的重要性及如何栽树。
课文“The Great Green Wall”讲述了森林对人类的重大作用。
通过学习课文和对话，进一步复习、归纳了被动语态的用法，重点学习了含有情态动词的被动语态的构成，讲述了英语中长、宽、高的表示方法，学习了一些常用词汇和日常交际用语及重点句式：The more, the better；教会了我们如何书写notice。
【知识与能力目标】（1）学会句型Did you do sth yesterday？并能用该句型结合情景做对话。
（2）学习一般过去时的用法。
（3）掌握以下单词的读音和意义：plant/planted,watch/watched,wash/washed,cook/cooked.【过程与方法目标】通过网上查找资料，听课文录音和请教高年级学生等方式，初步掌握掌握课文背景和句型。
通过小组合作学习进一步提高单词的拼读能力。
通过全班展示和教师点拨熟练掌握课文知识并能在实际中运用。
【情感态度价值观目标】握含有情态动词被动语态的构成形式及其肯定、否定和疑问形式。
同时还要学会英语中关于长、宽、高、深等的表达方式。
4．学会写notice，要注意它的格式和组成部分。
可参考Lesson 44。
【教学重点】“The Great Green Wall”，理解它的重要性，进一步确立Work hard to make our worldmore beautiful!的观念。
【教学难点】so that, beep… from…, thanks to, more or less等的用法。
图片，PPTStep 1.Analysis of the student.Homework check.Review:The grammar—word building.Review:In last lesson,we learned that how to plant trees, and we knew that the trees were important for us.Step 2. Lead in.（引入）1.Greet the students in English and make sure they can response correctly.Do the duty report: a student on duty can say whatever he/she likes to say.2.Think About It:What plants grow near your home?Why do we need plants?Step 3. New lesson.（新课）No. 1 Prepare lessons before class.Teach the new words and phrases. Make sure the students can read it correctly. No. 2Text: Give them some time to read the text themselves. Then let them act out the dialogue in groups. Correct their pronunciation when necessary.At last, the teacher explains the text in Chinese. Make sure the students can understand the meaning of text.No. 3Important sentences:1.It’s pleasant to walk in the forest.2.They help us fulfill our basic needs.3.Medicine and clothing are also made from trees and plants.4.In a word, we can’t live without plants.No. 4 Talk about why we need plants.1.Food and medicine.2.Clothing and school things.3.Shelter.4.Environment.No. 5 Finish “Let’s Do It!”Step 4. Play the tape for the students to follow.Make the students listen the text, and then let them read follow the tape. Step 5.Summary. （小结）Sum up the text what we learned, the new words, phrases, and sentences. Sum up the grammar.Step 6. Homework.（作业）Finish the activity book and the practice.Copy the new words and phrases twice.略。
冀教版八年级英语下册Unit2Lesson8WhyArePlantsImportant优秀教学案例
（一）导入新课
1.利用多媒体手段，展示一些美丽的自然景观和植物图片，引导学生关注植物的多样性。
2.提出问题：“你们知道植物在我们的生活中有什么ห้องสมุดไป่ตู้要作用吗？”让学生思考并回答。
3.简要介绍本节课的主要内容，激发学生的学习兴趣。
（二）讲授新知
1.通过PPT展示，详细讲解植物在生态系统中的作用，如光合作用、释放氧气等。
3.鼓励学生主动提出问题，培养他们独立思考和解决问题的能力。
（三）小组合作
1.利用小组讨论、角色扮演等形式，让学生在互动中交流思想，提高他们的语言运用能力和团队协作能力。
2.设计一些需要合作完成的任务，如共同撰写一篇关于保护植物的短文，让学生在实践中培养合作精神。
3.关注小组内每个学生的个体差异，确保每个学生在小组合作中都能发挥自己的优势，提高自信。
（四）反思与评价
1.引导学生对所学知识进行总结和反思，提高他们的自主学习能力。
2.通过自评、互评和他评等多种评价方式，让学生了解自己的学习成果，发现不足，促进自我提高。
3.关注学生的情感态度和价值观的培养，对学生在课堂中的表现给予积极的评价，鼓励他们积极参与环保活动。
在教学过程中，我将密切关注学生的学习情况，及时调整教学策略，确保每个学生都能在课堂中得到有效的学习和提升。同时，注重课堂氛围的营造，让学生在轻松愉快的氛围中学习，提高他们的学习兴趣和积极性。
（三）情感态度与价值观
1.通过学习，让学生认识到植物在生态系统中的重要性，增强他们的环保意识。
2.培养学生热爱自然、珍惜资源的情感，使他们意识到人类与自然的相互依存关系。
3.引导学生关注社会问题，如环境污染、森林砍伐等，提高他们的社会责任感和关爱他人的意识。
Lesson 8：Why Are Plants Important
Think About It: Why do we plant trees
or plants?
Unit 2 Plant a plant! Lesson 8
Why Are plants Important?
Learning Aims:
1.Master the words and phrases: ★ pleasant,shade,fulfill,basic,soil. ★ It's pleasant to do...,in the shade,on trees/in trees,take energy from,in a word. 2. Be able to talk about the importance of plants. 3. Let students know the plants are very important, and try their best to protect plants!
My kite is in the tree.
Practice:
1.森林能帮助净化空气。 Forests can help _c_le_a_n__t_h_e__a_ir_.
2.树和其他植物对人类非常重要吗？ Are trees and other plants very_im__p_o_r_ta_n_t_t_o_p_e_o_p_le_?
在森林中漫步是一件令人愉快的事情。
句型：It's pleasant to do...意为“做......很愉快。
eg.(1)It's pleasant to go fishing on weekends. 周末去钓鱼是一件令人愉快的事情。
(2)听音乐是一件令人愉快的事情。
冀教版八年级下册英语新版lesson8 Why Are Plants Important
•Thank you
It’s pleasant to talk with our friends.
3，nice and +adj/adv 很，挺，、、、得很 It’s nice and hot in summer
4，take energy from 从、、、获取能量 All plants take energy from the sun 5，in a word 总之，一句话 In a word, our teacher loves all of us. 6，be important to 对、、、很重要 Studying hard is important to the students. 7，carry、、、 away 带走 The flood carried plenty of soil away in summer.
Why do we need trees?
Language points:
1, so many/much/few/little+名词 There are so many students in our school . I have drunk so much water. 2，It’s pleasant to do 做、、、很愉快
Environment: 1,Plants help make the air clean and fresh. 2,The plants cover the soil and can stop the dust.
1,Many animals live in the forest.
2,People use wood from trees to build houses and furniture.