Students consider some of the characteristics of Venus and Mars which make the planets uninhabitable for life as we know it. Grade: 8 | 9 | 10 Subjects: Science (4,732) Space and Astronomy (437) Planets (147) Themes: Space (471) TYPE: Worksheets (13,375) Book Guides (1,216) Download Add to Favorites CREATE NEW FOLDER CancelManage My Favorites