Transforming Mars-reading

transforming mars-reading
teaching objectives:
1.  to help students get further understanding of the text
2. to improve students’ ability to speak and summarize
3. to arouse students’ imagination
teaching aids: multi-media
 teaching procedures:
i.   pre-task reading
enjoy a flash
ii. while-task reading
1. extensive reading
read the text and judge the statements whether they are “true” or “false”
1).there are 687 days in a martian year and 24 1/2 days in a martian day.
2).there is some water on mars.
3).the average temperature on mars is 15℃.
4).the main gases in atmosphere on mars is oxygen.
5).the gravity on mars is the same as the one on earth.
6) the distance from mars to the sun is 228 million kilometres.
2. intensive reading
1).read the five main stages and finish the following table
the transforming of mars
stages time suggestions results
stage 1     
stage 2     
stage 3     
stage 4     
stage 5     
2). to help students know more about mars
t: show some question patterns on the screen for reference:
①is it necessary/important/…to…? why?
②how long will it take to …
③how do the scientists intend to…in stage …
④what is the main purpose of the actions in stage …
⑤why do the scientists ….in stage …?
⑥what do you think of …
3). summary (fill in the blanks)
  as we all know, mars is the planet most similar to earth. people have dreamed of living there for centuries. therefore, scientists spare no effort to _________mars. they use the ‘greenhouse effect’ to raise its�。撸撸撸撸撸� and obtain enough _______.they also introduce more plants to release _______,and the ________is getting close to earth as well. after the success transformation, people can live there happily and comfortably.
ⅲ.post task reading
role play
structure your dreams of living on mars.
iv. conclusion:
future is in our hands.
let’s work together to make our life better !
v. homework:   
1. read the text fluently and recite paragraphs 1&2 as possible as you can
2. finish the exercises on page 81