Colours in our world

                                           四年级 

教学过程

一、Free talk

P:( Review the colours )  T : I like blue .(板书blue) 问学生的颜色

S1: I like …(师板书blue / red / yellow/…)

师问生：How do you feel ?

引出：It’s colourful .

课件出示一张有许多漂亮的花图：What a colourful world ! 师范读，生读(让生感知colourful 的意义)

T：Who make the world colourful ?

二．Presentation

1、课件出示刘谦（super Liu ）Magic show

出示刘谦后，师问：Why do we like him ?

                  He is busy.

教师现场表演一个Magic show: T shows a cup of water , no colour. 师通过Magic show让一杯水变颜色。T: It’s only a cup of water. I need your help. When I do magic, every say…

学生说咒语（句型）：Change , change , change into…(同时板书， 语速慢)

（生观看魔术表演，师把杯里水的颜色变化后，再让生说：Change , change , change into red.）

 

PPT：Time changes in a day, the sun changes its colour .

图一太阳是黄色的：The sun is yellow in the afternoon.

图二太阳是红红的：It is red in the evening.

引出句子：Time changes , colour changes.(板书)

T： What changes? (看春夏秋冬的变化Video)

Seasons change, colours change.(板书)

 

Chant: Seasons

Spring is warm, Spring is green.

Summeris …

 

6. 课件出示一段话篇：

Hi, I’m Mac ，an apple tree. Winter is cold. In winter, I have no apples or leaves . Spring is coming, I begin to change…课件出示下雪天，雪人，还有图片

(师让学生个别读--2次，全班学生读--1次)

分组，每组4人各代表4个季节，拿出口袋中的树叶。

T：All winters stand up . Read it .

 

Spring is warm. In spring…. My leaves change into dark green.   

（针对dark green 这种颜色进行操练，并与light green 形成比较，并让学生在教室寻找东西，类似造句）

Summer is ….

Autumn is …

…change into …   T: Now, …have flowers.  (出示不同季节的图片：树叶、苹果)

师与三名学生示范表演：老师伸开手扮演冬天的苹果树，后面三个同学手上挂上不同颜色的树叶，代表其它三个季节中的苹果树）

 

分组扮演练习

选择其中的一组上台来表演

T：Are they good ?

Ss: …(让生来评价上台来表演的小组的表现)

 

 

课件出示一条变色龙  T：Where is lizard ?

                    T: The lizard can change colours.

 

课件出示一则： Climb, climb, climb

               Climb on _____________.( 课件旁边有一些图片：苹果、树叶…)

               The _____ is _____________.

               I change into________________.

 T ：Wait.  What changes, what changes ,too ?

WB: Seasons change, colours change.

   Places change.

T: How do they change ?  (课件出示bear / rabbit…)

 _________ change into __________.

引出：protective colour ( 其中protect还出示音标进行教读)

The world can change its colour.

教师让每组派代表上来抽一张彩色纸，纸条上有语篇：

如：Plants change colours in different seasons. Trees are green…

   The sun is yellow in the afternoon and red in the evening.

  Some animals can also change colours…

前2种选1个学生朗读，最后一种颜色是让手持这种颜色的学生让起来齐读

 

伴随音乐朗读：Our world is full of colours .

Green trees are growing in the golden sunshine. White clouds are floating in …

读完之后，师问生的感觉  T： How do you feel ? S1: I enjoy it . / I feel happy.

之后，师课件出示臭的、脏兮兮的海滩，问生：Is it colourful ?

 

But one day , things around us change . The air isn’t blue. It change into grey.

The water isn’t …

T: so we shouted it .

课件出示一句：Don’t change the world into grey. Let it be colourful.