This is a great team building activity centered around getting students engaged in good discussion. It can be used at the beginning of the year as a "get to know you" activity, or throughout the school year to practice good listening and discussion skills. It includes a rubric for students to reflect on their discussion.
The students receive a letter from the NASA administrator asking them for help on their trip to Mars. They have to determine from their options which professionals they would like to take with them and what supplies are most important.