But when the tragic incident occurs between those who are near or dear to one another--if, for example, a brother kills, or intends to kill, a brother, a son his father, a mother her son, a son his mother, or any other deed of the kind is done---these are the situations to be looked for by the poet.
When water is heated it expands. For example, water heated from 90Â°F to a thermostat setting of 140Â°F in a 40 gallon hot water heater will expand by almost one-half gallon.
it expands when heated because the molucules are moving faster and need room to move. it contracts when frozen because the mocules dont move at all, so there need not be any room in between them. #2 It actually has a LOCAL MAXIMUM point in its density as a function of temperature curve.