Unit 4 Planting trees is good for us.优秀公开课教案

Unit 4 Planting trees is good for us Period 1

黄晓娟

教学目标

(一)语言目标

1、词汇:能听懂、会说、认读、会写新单词或词组Tree Planting Day, air,place; 能听懂、会说、认读、新单词或词组plant trees,keep, make;能听懂会说新单词enjoy.

2、句型:

能用认读理解句子“Planting trees is good for us”.

能用“trees can keep...”表达种树的好处。

教学重点、难点

1能听懂、会说、认读新单词Tree Planting Day,air,place; 2能听懂、会说词组plant trees ,keep the air clean,keep us cool,make the place beautiful。

3能听懂、会说新单词enjoy。

4能认读理解句子“Planting trees is good for us”.

5能用“Trees can .....表达种树的处。

教学准备

Word cards, 课件,Drawing Instrument

教学过程设计

Step 1 热身(warming-up)

1 Greetings

Step 2 新课呈现(presentation)

1、New words and new sentences

(1)教学plant trees

出示两幅对比图片

T:There are two pictures ,what can you see in picture 1 and picture 2

Ss: I can see …

T: which one do you like? Why?

T: what can we do to make picture 2more beautiful?

Ss: we can plant trees because planting trees is good for us (引出主题句,板书,带读,并出示本堂课的竞争机制)

(2)教学Tree Planting Day

T: because planting trees is good for us, so, there is a festival, on this day we should plant more trees. Guess,which day? S: Is it Tree planting Day?

T:Yes, it is Tree planting Day(板书Tree Planting Day,带读) keep the air clean,

(3)教学trees can keep us cool,

make the place beautiful

T:Just now , we know the march 12th is Tree Planting Day .What can we do on this day?

S: we can plant trees.

T: Wonderful, all of you did a good job. Next, a guess riddle for you.

You can’t see me, you can’t touch me, but you can’t live without me, who am I?

Ss: is it air? (引出新单词air,带读。)

出示图片

T: Is the air clean in this picture?

Ss: Yes, it is.

T: why?

Ss: there are many trees.

T:bingo. Trees can keep the air clean. (出示图片带读keep the air clean,师生对抗操练)

T: what keep the air clean?

Ss: trees.

T:so we can make a sentence “Trees can keep the air clean”(带读)

T: trees are very important for us .what else can trees do for us?

语言动作释义后,出示图片

Summer is coming. It’s so hot, I can’t bear it. What can trees do for us?

S1:Trees can keep us cool

T : nice ,trees can keep us cool (出示图片,带读词组keep us cool ,操练,展示)

T:What keep us cool?

S2:Trees can keep us cool.(

教学trees can make the place beautiful.

(出示一幅没有树的图片)

Is this place beautiful?

Ss: No, it isn’t

T: why?

Ss: there are no trees.

出示加上树后的对比图片

T: is this place beautiful now?

Ss: Yes, it is.

T: What makes this place beautiful?

Ss: trees

T: great .trees can make the place beautiful. (带读单词和词组后师生对抗趣味操练,展示)

(4)趣味操练trees can keep the air clean,trees can keep us cool,trees can make the place beautiful

Game1:句子接龙

Game2 :尖眼睛

教师按照trees can 将新短句的图片快速播放出来,全班分小组进行抢答。每说出一个句子,该组得一分,奖励一片叶子贴在小组的树枝上,说错不计分。计时一分钟,多分树叶组获胜。

Step3:The dialogue

1 listen and answer

2 listen and find

3 listen and repeat 2times

4 repeat

结合板书内容,总结三个关键句子,并用连词成句的形式进行小组展示

Step4:总结