Composition 1 tiny 2350 km solid rock, none (methane) very cold -230 C Pluto methane ice 2 medium large liquid hydrogen, thick hydrogen, very cold -220 Neptune 49,500 km helium helium, methane C 3 medium large liquid hydrogen, thick hydrogen, very cold -210 Uranus 51,100 km helium helium, methane C 4 large 120,500 km liquid hydrogen thick hydrogen, cold -180 C Saturn helium 5 very large liquid hydrogen thick hydrogen, cold -150 C Jupiter 143,000 km helium 6 small 6786 solid rock, water thin carbon moderate -23 C Mars 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 PLANET CHARACTERISTICS Size Surface Type Atmosphere Temperature Name and Composition 1 2 3 4 5 6
Composition 1 tiny 2350 km solid rock, methane ice none (methane) very cold -230 C Pluto 2 medium large 49,500 km liquid hydrogen, helium thick hydrogen, helium, methane very cold -220 C Neptune 3 medium large 51,100 km liquid hydrogen, helium thick hydrogen, helium, methane very cold -210 C Uranus 4 large 120,500 km liquid hydrogen thick hydrogen, helium cold -180 C Saturn 5 very large 143,000 km liquid hydrogen thick hydrogen, helium cold -150 C Jupiter 6 small 6786 km solid rock, water ice thin carbon dioxide moderate -23 C Mars 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 PLANET CHARACTERISTICS Size Surface Type and Composition Atmosphere Temperature Name 1 2 3 4 5 6
Grade_8_Essential%20Labs%202017%20Teacher.docx