km ice dioxide 7 medium small solid rock, liquid medium nitrogen, moderate 21 C Earth 12,756 km water, carbon oxygen compounds 8 medium small solid rock thick carbon very hot 480 C Venus 12,100 km dioxide 9 tiny 4878 km solid rock none (helium) variable range Mercury to 400 C Student PLANET CHARACTERISTICS Size Surface Type Atmosphere Temperature Name and Composition 1 2 3 4 5 6 7 8 9
km ice dioxide 7 medium small 12,756 km solid rock, liquid water, carbon compounds medium nitrogen, oxygen moderate 21 C Earth 8 medium small 12,100 km solid rock thick carbon dioxide very hot 480 C Venus 9 tiny 4878 km solid rock none (helium) variable range to 400 C Mercury Student PLANET CHARACTERISTICS Size Surface Type and Composition Atmosphere Temperature Name 1 2 3 4 5 6 7 8 9
Grade_8_Essential%20Labs%202014-2015.docx