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That is when a large chunk of it separates and becomes another, smaller, iceberg.
No, line segments only have a start and a stopping point, as they are a small chunk taken out of an infinitely continuing line.
Halite, a colorless chunk that breaks apart into cubes and has no luster and is soft enough to be scratched fluorite, and when it gets wet it starts to dissolve. Did that help you?
Yes. Iron is denser than aluminium.
A Meteoroid if the chunk is boulder sized or smaller, or just another Asteroid if it is house-sized or bigger.
A Meteoroid if the chunk is boulder sized or smaller, or just another Asteroid if it is house-sized or bigger.
Calving
An asteroid-sized chunk of rock with a tail would be a comet.
An iceberg is a huge chunk of ice that can move overland when it breaks off from a glacier or ice shelf and is carried by ocean currents or pushed by winds.
a meteroid or comet i think
An asteroid or a meteoroid
Calcite perhaps (although it does not form cubes).