A lot of things represent change.
To me i think there are many things that can symbolize change, i often associate leafs with change and new beginnings as they change so often, die but are reborn too.
Yellow and black represents change.
Butterfly
Butterfly
a variable
The burning of gasoline is a chemical change. The evaporation of gasoline is a physical change. This is a physical change because it is a change in state of matter (from liquid to gas).
it represents the change in the long-term weather patterns
It is impossible
Solid to liquid
velocity.
conductivty
Toasting bread represents a chemical change.
From 375 to 325 represents a change of approximately -13.33%