Unit 2  Lesson 8  Why are plants important?

来源：任艳玲工作室 时间：2019.03 作者：程涛

【课    题】Why are plants important?

【教材与学生分析】

 本教材充分吸收了国际上新的外语教学理念和实践经验，以人物的活动为主线，围绕最基本最常用的词汇、句型逐步展开教学，有丰富多彩的练习形式和文化背景，把探究学习引入教学中使学生能主动的融入创造性有意义的整体性学习中.

【教学目标】

语言知识：掌握本课的单词及植物植物在我们生活中的重要作用。

语言技能：在听录音时有目的的获取所需关键信息。

语言运用：能通过学习本课的对话简单的复述课文,加强对本课的阅读、理解。

情感态度：能通过谈论植物的重要性，让学生掌握植物在生活中的重要作用，并且让学生树立爱护植物的思想。

Teaching Aims:  

A: Learn the importance of the trees.

B: Learn to how to express the usage of the trees.

Learning aims:

1. Remember the new words: air, energy, die, heat, nothing, bamboo, kilogram, shade, carry away, make…into.

2. The important sentences:

① Trees help clean the air.

② Donuts don’t grow on the trees!

③ All plants take energy from the sun and make it into food.

④ Without food, they would have nothing to eat and they would die.

1、掌握植物在生活中的重要作用。

2、学习怎样用英语表达植物的作用。

Learning important and difficult points:

1. 区分短语in trees 与on trees。

2. Master “Why are plants important?”

【教学方法】： 任务教学法，学生中心教学法，多媒体教学 。

Learning method: Listen, say, read and write.

Teaching times :one class

Preparation of teaching aids: tape recorders, tapes, multi-media.

Teacheing times:one class

Time: 45 minutes

Teaching Process：

Step 1: Greetting

Step2:  Talking

Talk about: Why do we need trees? What kind of things can plants do?

Step 3: Revision.

Ask some questions:

1.How many main parts do plants have?  What are they?

2. What do plants need to grow?  Why do plants need them?

3. Do you think plants are important?

Step4:. Learning

Learn new words.

Step 5:Think about it .

Step6: Listion to the tape and answer quitions:

1. What are Danny, Jenny and Brian talking about?

They are talking about trees and the reason why we need them .

2. Donuts don’t grow on trees, do they?  No, they don’t.

3.Why do we need trees ?

Ask some students answer and the teacher correct

 Step7: Reading

Read the dialogue first. Then find out the useful expressions.

Step 8 : look at the picture .know the fascinating  facts.

Step9: studying language points

Step10:  Do exercises

Step 11:  Homework

Write a passage about why plants are important. (50-100 words)

Summary:

Review the text is very important. The students know what they will take to the class, what is useful to the study. Let them to talk about Why Are Plants Important?  Why do we need trees? What kind of things can plants do?

教 学 反 思:

本节课在前几节课学习的基础上进一步来学习植物的重要性，通过运用多媒体向学生展示了植物的作用。并结合问题“Why do we need trees?”，“ What kind of things can plants do?”and “Why Are Plants Important?”来理解课文，在学习单词、短语、句子的同时要求学生理解运用，取得了较好的效果。本课的学习让学生充分的认识了植物对人类生活的重要作用，培养了学生爱护植物的情感。达到理想的教学效果。