Unit4 Earthquakes

unit4 earthquakes
the first period leading in, warming up
& pre-reading
by liu xiaohua from hongling middle school

一、 教學(xué)目標(biāo)（teaching aims）
student’s book
1. 能力目標(biāo)（ability aim）
a . let the students know something about the earthquakes.
b . enable the students to talk about what they should do in a disaster for themselves
2. 語言目標(biāo)(language aim)
a. words and expressions
imagine, shake, right away
b. important sentence
what do you think may happen before an earthquake?
二、 教學(xué)重難點(diǎn)(teaching important points)
let the students know what a correct attitude towards a disaster is and what they should do in a disaster for themselves and for the other people.
三、 教學(xué)方法 (teaching method)
a. discussing
b. talking
c. activities.
四、 教具準(zhǔn)備 (teaching aids)
multi-media computer
五、　教學(xué)步驟 (teaching procedure)

stepⅰ. lead-in:
t: what’s the biggest sound you have heard in your life?
( the sound of the wind that blew in a winter night; the nose when planes take off; the sound of trains; the sound of thunder…..)
but did you once hear the sound that the heaven falls and the earth crack. in chinese it is 天崩地裂？
if there is a sound like this what is it? what will happen?
today we’ll learn something about earthquakes. can you imagine how terrible it is?
first let the students answer the following question.
which of the following may cause people the greatest damage?
earthquake, typhoon, flood, drought
various answers are possible. students should give reasons to support their answers. all of them are natural disasters, they have something in common, at the same time, they have many differences.
let the students know something about the earthquake. (slides)
t: how does the earthquake occur?
then show the film to the students. ( film about the earthquake )
t: when some plates of the earth move suddenly, an earthquake happens. many earthquakes begin under the sea. in fact, earthquakes may happen near high mountains.
during an earthquake, the shaking make rocks rise suddenly and even cracks open. houses fall, people are killed or hurt, and sometimes the whole villages or cities are destroyed. some villages even disappear completely.

step ⅱ. talking
t: earthquakes are disasters to everybody. now look at the two pictures of tang shan and san francisco. can you describe what you see in the pictures?
(show two pictures to the students and tell the students they are today’s tangshan and san francisco. but many years ago some big earthquakes hit these two beautiful cities.)