When the water freezes and turns into ice it expands and separates the rock and then it breaks apart.
(the water; freezes; ) (the water; turns; into ice) (it; expands; T:When the water freezes and turns into ice) (it; separates; the rock; T:When the water freezes and turns into ice) (it; breaks; apart; T:then)
the water the water it it it
freezes turns expands separates breaks
into ice
T:When the water freezes and turns into ice
the rock T:When the water freezes and turns into ice
apart T:then