Listed following are some of the distinguishing geological characteristics of the moons orbiting Jupiter. Match each characteristic to the appropriate moon.

- source of ionized gas in the donut-shaped charged particle belt around jupiter
- ice covered surface with few impact craters
- hot, glowing lava visible in some photos
- heavily cratered terrain adjacent to much younger terrain
- volcanoes currently erupting
- largest moon in the solar system
- surface features provide evidence of a subsurface liquid ocean