小学英语沪教牛津版(六三制三起)三年级下册unit1 colours教案及反思

Unit 1 Colours

【第三课时】

【教学目标】

1．通过Say and act的情景对话，帮助学生进一步巩固和运用句型What colour is it? It's...

2．通过学习任务(Task)，帮助学生巩固和综合运明本单元所学的知识。

【教学重难点】

1．句型：What colour is it? It's green.

2．字母：Aa~Zz

【教学准备】

课件、音频

【教学过程】

I. Pre-task preparation

1．带领学生唱字母歌The ABC Song，复习26个字母。

2．出示Sing a song的图片，指着rainbow中的橙色和紫色引出单词orange和purple，指着图中的树引出单词brown，带领学生朗读，学生跟读几遍后，做快速反应练习。

T: (point to the orange colour of the rainbow) What colour is it?

S1: It's orange.

T: (point to the purple colour of the rainbow) What colour is it?

S2: It's purple.

...

做快速反应练习时，还可以让学生问，教师回答，或学生问，学生答。

II. While-task procedures

准备一张红色的和一张蓝色的石蕊试纸，准备一瓶碱性和一瓶酸性溶液。

T: Look, boys and girls. What colour is it? (It's red.)

Look at the water in the bottle. What colour is it? (It has no colour.)

教师把红色石蕊试纸放到装有碱性溶液的瓶子中浸一下拿出，提问学生。

T: Now look carefully. What colour is it now? (It's blue.)

用同样方法把蓝色石蕊试纸放到酸性溶液中。

...

出示调色板和红、黄、蓝三种颜料，向学生提问。

T: (show the yellow paint) What colour is it?

S1: It's yellow.

T: (show the blue paint) What colour is it?

S2: It's blue.

然后播放Say and act的对话，让学生边听边跟读。

3．示范朗读Say and act的对话，学生跟读几遍后，教师和学生分角色朗读对话。然后让学生两人一组表演对话。邀请几对学生上来表演。

4．Look and try小实验。把学生分成四人一组，拿出事先准备好的调色板和各种颜料，分组做颜色实验。教师可以先示范。

T: Let's mix red and yellow. It's orange. Let's mix yellow and blue. What colour is it?

Ss: Green!

然后让学生完成Colour and write，填写单词。

III. Post-task activities

1．小组比赛：将刚才小组实验（调色游戏）的结果演示给大家看，边做边说，看哪组颜色调得好，说出的正确句子多，鼓励学生大胆运用以前所学句型。

S1: (put some red paint on the plate) Look, this is red. (Add some blue paint) This is blue, (Mix red and blue) Look carefully. Now what colour is it?

S2: Look carefully! (Put some yellow paint on the plate) This is yellow. This is blue. Now what colour is it?

2．让学生画一画自己的房间，并给房间里面的物品着色。然后和同桌互相介绍自己的房间，对房间内物品的颜色进行对话。

S1: Look! This is my room. This is my desk.

S2: What colour is it?

S1: It's white.

...

【板书设计】

Unit 1 Colours

What colour is it? It's green.