we can't use jupiters moons for anything because fistly we can not get out that far to reach Jupiters moon and if we could it would take thousands of years and Jupiters Moons would be to big to do anything with anyway. so the answer to What could Jupiter's moons be used for? is....Nothing.
jupiters ice moon is Io
Yes, there is water on one, and volcanoes active on another.
it's moons
== ==
Socrates, Gallileo
Jupiters Moons
jupiters moons are different some have an atmosphere and MOST are asteroids
Europa has frozen oceans.
Io
Lo Europa and Ganymede
He could only make out four of Jupiters' largest moons.
io is the brightest from jupiters surface