1. Largest planet of our solar system   Saturn   Jupiter   Neptune   Uranus   Hint Half-n-half Clue   2. Least dense planet of our solar system   Jupiter   Earth   Saturn   Pluto   Half-n-half Clue   3. Red Planet   Pluto   Jupiter   Mars   Mercury   Half-n-half Clue   4. Smallest planet of our solar system   Pluto   Mars   Mercury   Venus   Half-n-half Clue   5. Planet with most-tilted axis that seems to spin on its side   Jupiter   Uranus   Saturn   Neptune   Half-n-half Clue   6. Planet, besides Jupiter, that has storms as revealed by dark spots   Uranus   Saturn   Pluto   Neptune   Half-n-half Clue   7. Planet with fastest orbiting speed around the Sun   Mercury   Jupiter   Earth   Pluto   Half-n-half Clue