List potential problems as you read about them in your book. Also be thinking about other problems not mentioned that we should be considering.
Write a journal entry about what you learned from the perspective of your persona. Be "in character" while writing and express some of your concerns & worries in your writing.
Include some of the other personas in your writing to make it feel more real. Publish live and then comment on others' writing.
Man am I worried about all of these problems we're going to possibly face while on Mars! I can't believe I got myself into this!
First of all, how can we live if... Mars has freezing cold temperatures? We're going to freeze to death and be like popsicles and it would probably never get warm on mars so we would stay like popsicles forever! And it's not like anyone is going to save me. Mars has so many problems and I thought that it only had a little like we would run out of food and find no water. Now I am kind of scared that I might die and so will be teammates. And if I am alone on Mars that won't be good either because the class needs each other. If we even loose one teammate we might not be able to survive on Mars because we all have different and important jobs to do. Like Yuki Ito, he is the plumber and if we loose a plumber then we will be in big trouble because the plumber is like the most important. Same with Zuzanna Nowak, she is the doctor and if we loose her than I can't be treated when I am sick or any of our teammates! Now I really wished I didn't have to go to Mars because I really don't want to die. I have a family, awesome friends, and I want to live my life until I am old and die because of something else!