Biosphere in Space

1. pre-reading:

• video: See what we can do in biospheres

3. reading comprehension

• What are space colonies? (P1)
• What are biospheres? (P2)
• What is the key to the success of building biospheres? (P2)
• What is the first thing for us to do for building a biosphere? (P3)
• What is the difference between creating biospheres on the Earth and in space? (P3)
• What are the reasons for building biospheres? (P5)
• How were things going with the experimental biosphere near the University of Arizona? (P6)
• What can we learn from biospheres? (P7)
  

3. mindmap

4. usage and grammar

• ... consider it possible that ... (line 5)
• ... environments where people can be born, ... (line 11)
  
• ... except for the sun's heat entering through the glass or plastic. (line 19-20)
• Everything must be perfectly balanced, or else the whole system will break down. (line 25-26)
• ... too expensive to continually send people ... (line 37)
• By studying bioshperes, we can understand better ... (line 42)
• ..., we can understand better what will happen as humans destroy tropical forests, ... (line 43)
• So far, only a few experimental biospheres have been built on Earth. (line 47)
  

5. collocations

• experiment with (line 4)
• ... except for the sun's heat entering through the glass or plastic. (line 19-20)
• take care of ... (line 24)
• break down (line 26)
• reasons for (line 32)
• ... keep us from destroying our own environment. (line 57)
  

6. Quizlet