5.　 robot settlers: 　Settlers are the persons who move to a new place .(拓荒者是第一批搬到一个新地方的人。)/ Maybe robots will move to Mars and live on it first. (PPT)

4.　 space home : It’s a special round house in space.(这是在太空里的特殊的圆形房子。) (PPT)

3.　 speed boots :　 They are special shoes that can make you walk faster in space.(他们是可以使你在太空行走更快的特殊鞋子。)

2. 　space shuttles : They are new kinds of spacecraft which can travel faster in space. (PPT) (他们是新型的可以在太空里飞行更快的航天飞机。)

1. 　crowded planet : The population on Earth is about 6.4 billion in 2007. It’s still increasing quickly…population here means the number of people.　 (PPT) (2007年地球人口为64亿，现在这个数字还在快速增长。)

6. Temperature: 　The lowest temperature will be -133℃(degrees centigrade) and the highest will be　 27 ℃

　 (整屏显示6点知识) (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. (下面我们来看这些关键词,先猜测它们的含义,然后用搜索引擎来验证你的猜测是否正确.,再在网上找到有关他们的信息.)

超链接) (PPT)

5. Surface:　 The surface of Mars is a little like the surface of Earth.

4. Its moons:　 Phobos and Deimos

3. Location:bIt’s between Earth and Jupiter in our solar system.