• Xanthobilly@lemmy.world
    link
    fedilink
    English
    arrow-up
    12
    ·
    1 year ago

    Ice spike. These happen when the water freezes outside in. As the water expands when freezing, the water has nowhere to go but out through the only spot that hasn’t yet frozen on the surface. The water keeps pushing up and freezing till it finishes expanding.