How could we survive for a year in a sealed dome?

'Space survival: how could we survive a year in a dome?' is our latest Earthlearningidea.
Give the pupils copies of the carbon, water and nitrogen cycles and then ask them:-
What will you take with you? You can order whatever you want but think about the following questions:-
- What are you going to breathe?
- What are you going to drink? How will you collect fresh water?
- What are you going to eat? Will you be vegetarian? If not, how will you get meat?
- What is your likely water/oxygen/food consumption per day?
- How will you dispose of waste?
- What energy source will you use? How will you use it?
- How will you produce power?
- How will you control temperature?
- What will your medical requirements be?
- What are you going to do when you get there? Who will do which jobs?
- What else will you need to consider?
This is a popular activity in the UK. Please do try it with your pupils and let us publish their results.