NAME ______________________________ DATE_______________ PARTNERS _________________________ WHAT MAKES A WORLD HABITABLE? What does a planet need to support life? Take a few minutes to list the things that are necessary to maintain life as we know it on Earth and why they are important. What conditions might limit life? Take a few minutes to jot these down along with why they are undesirable. Meet with another group and compare lists. How did you do? On the following page is a list of habitability factors. Take some time to read them. Locate the set of Habitability Cards. After reading about each of the worlds, decide if life is likely, possible, or unlikely. Record your choice and reasons on the sheet provided. Summer Science Institute 2007 Prince George’s Community College Barbara Gage