Unit 1 Life on Mars
2.a power that keeps us from floating in the air means gravity.
3.a vehicle designed for travel in space means spacecraft.
4.people who go to live in a new place mean settlers.
grow and improve means develop.
5.machines that can do tasks under the control of computer mean robots.
small round pieces of medicine mean pills.
t: now read the new words after me.(2遍)
new words: planet gravity spacecraft
settlers develop robots pills
t: boys and girls, how much do you know about mars? do you its color , its size and some other information? now let me show you my research on mars. (ppt)
1. the color of mars: red ;
2. the size: about one-half the diameter of earth;
3. location:bit’s between earth and jupiter in our solar system.
4. its moons: phobos and deimos
5. surface: the surface of mars is a little like the surface of earth.
6. temperature: the lowest temperature will be -133℃(degrees centigrade) and the highest will be 27 ℃
(整屏顯示6點知識) （ppt）
t: now you have learned something about mars from my research. but is there anything else you want to know about mars? what is the fastest way to learn more about mars?
t: that’s searching the internet. now look at the keywords. guess their meanings first and then use the search engines to help you. try to find the information about them on the internet. (下面我們來看這些關鍵詞,先猜測它們的含義,然后用搜索引擎來驗證你的猜測是否正確.,再在網上找到有關他們的信息.)
超鏈接） (ppt)
1. crowded planet : the population on earth is about 6.4 billion in . it’s still increasing quickly…population here means the number of people. (ppt) (XX年地球人口為64億，現在這個數字還在快速增長。)
2. space shuttles : they are new kinds of spacecraft which can travel faster in space. (ppt) （他們是新型的可以在太空里飛行更快的航天飛機。）
3. speed boots : they are special shoes that can make you walk faster in space.（他們是可以使你在太空行走更快的特殊鞋子。）
4. space home : it’s a special round house in space.(這是在太空里的特殊的圓形房子。) (ppt)
5. robot settlers: settlers are the persons who move to a new place .（拓荒者是第一批搬到一個新地方的人。）/ maybe robots will move to mars and live on it first. (ppt)
6. online teacher：the teacher who can help you at any time and any place in an on-line schools is called ‘e-teacher’. （在線老師可以在任何時候、任何地方幫助你。）(ppt)