北京版-英语-四年级上册-Unit 7 What is nature lesson23 同步教案

学习功能句型how is the weath er in sydney?
badIt’s snow.
能听、说、读、写fall down become right ice等于自然现象有关的名词、动词和副词，能认读snowflakes等。

录音机教学挂图单词卡片水杯或实验室用的烧杯（内盛少量清水），冰块盛于小保温瓶内待用，雪花、下雨、下雪的图片。

What’s the weather like in spring/summer/fall/winter?
二）新授
1. 活动一：看一看，说一说。

教师出示并引导学生看主题图，指着途中的雪景问：What’s that in the picture? (snow) Where does the snow come from? (It comes from the sky?) 教师重复回答： Snow falls down from the sky.
讲解 fall down
A book falls down from the desk.
______falls down from the desk.
______falls down from the tree.
______falls down from the sky .
教师接着说： In warm weather, snow becomes into water..
教师一边重复turn into, snow becomes water in warm weather. 一边出示杯中的水。

指出become=turn into.
2. 活动二：听一听，读一读。

1）请学生听录音，说说听懂的词语及对话大意。

2）看展小组活动。

如：
in hot summer: snow -----rain
in cold winter: rain ----- snow
in warm weather: ice ------ water
in cold weather:
water ------ ice 3) 逐句跟读课文，多种形式分角色朗读课文。

回答课文问题。

Q1: What’s the weather like? Q2: What falls from the sky? Q3: Can you see the rain? Q4: When does it rain?
三) 课堂练习
活动一：快速辨认
1. Teacher reads the words and t he students
show the picture. Then teacher shows the picture, the students read the words. 2. Pair work.
Let the students do group, 4 students make one group and read all the words such as spring, summer, fall (autumn), winter, ice, snow, rain, water, flower, grass, tree, leaf and so on. 活动二： 想一想，说一说
Teacher leads the students think about the changes of 4 seasons, and try to say something about them. For example:
In very cold winter, water ? Water becomes ice.
Rain ? Rain becomes snow.
In hot summer ice ? Ice 学生注意，初步扫除听录音是可能遇到的障碍。

小组出示四季节的图
片进行小组讨论，以为学生说一句话
It is snoe wyi
\ie is ….
培养小组合作意识。

becomes water.
Snow ? Snow becomes rain.
In spring trees -------- ? Trees turn green.
In fall leaves--------? Leaves fall down from the trees.
活动三：听指令，照令做。

Teacher says som e orders, such as: My eraser is falling down.
My cards are falling down from the desk. My jacket falls down from t he chair.
The picture is falling sown from the wall. The wall falls down.
四）课堂反馈：
1. 读句子。

What falls down from the sky in winter, Lingling?
Summer is hot and so snow becomes rain. And rain becomes snow in cold winter.
Ice can become water and water can become ice.
2. 读单词。

见词卡
五）课堂小结：本节课我们学习了有关自然
的一些知识和天气的变化，从而我们知道一切
都是自然。

六）课后作业：利用所学的单词造5个有关
自然的句子。

训练同学们的反应能力，从而加强同学们对所学知识的理解能力和记忆能力。