北京版三年级上册Lesson 18评课课件ppt

这是一份北京版三年级上册Lesson 18评课课件ppt，共46页。PPT课件主要包含了Lesson 15，Lesson 16，Lesson 17，00AM，spring，jacket，summer，hot，longshort，shorts等内容，欢迎下载使用。

Let's review.
Weather is very imprtant t us.
What d yu knw frm the cver?
What des changing seasns mean?
What seasns are these?
Changing Seasns（季节变换）
What are the changes in fur seasns?
I live where the weather changes during the year.It changes with each seasn.We have fur seasns.
Which seasn is it?
It is spring and the snw melts.It gets warmer, and plants begin t grw.The days get lnger, and the nights get shrter.I wear my jacket.
Hw des it change in spring?
It is spring and the snw melts.
The snw melts.（雪融化了。）
It gets warmer, s I wear my jacket.And plants begin t grw.
Plants begin t grw.
The days get lnger, and the nights get shrter.
gets warmer
begin t grw
lnger/shrter
It is summer.It gets ht, and the plants grw bigger.The days are lng, and the nights are shrt.I wear my shrts.
Hw des it change in summer?
Hw d weather and clthes change?
It gets ht, s I wear my shrts.
Hw d plants change?
Plants grw bigger.
The days are lng, and the nights are shrt.
Hw d days and nights change?
Hw des it change in fall?
Finish the wrksheet.
Read and answer. page 7
It is fall.It gets cler, and the plants stp grwing.The days get shrter, and the nights get lnger.I wear my sweater.
Read and answer. page 7
The plants stp grwing.（ 植物停止生长。）
shrter/lnger
Read and answer. page 7
Hw des it change in winter?
Think and answer.
It is winter.It is cld, and many plants die.
The snw begins t fall, and the days are shrt.I wear my cat.
Many plants die.
Let's watch.
Can yu tell me mre changes abut fur seasns？
days/nights
Changing Seasns
Which seasn d yu like? Why?
I like spring. Because it gets warmer. The sky is blue. The plants turn green. I can fly a kite.