文档介绍：Expansion of Liquids and Gases
Taught By: Rao Wan-min
Contents:Unit 9(text from paragraph one to four)
Aims: Understand the main meaning of the text
Master some lauguage points
Main points:make a hole coloured fill with mark go down go up pour out
Difficult points:usage of the expressions
Steps:I. Greetings
II. Warming-up
you know the three states of matter?
you heat the water, what will happen to its volume?
III. Explaination
an experiment, make the students learn about the main contents of the text.
the students read the text and answer the questions.
the text again, do exercises.
points
a hole
eg: There is a Chinese saying, mouse’s son can make a hole.
water
eg:moneyed aged dark-haired kind-heated a three-legged table
with
eg:Fill this bottle with coloured water.
The naughty boy filled the cup with sand.
eg:The road we should take is marked on the map.
down go up
eg:It is winter now, so the temperature is going down. It will go up in spring.
Go down/up/along the road.
It is easier to go down than up.