Limewater turns from 'colourless' to 'cloudy/milky' when Carbon Dioxide is present.
Its a physical changed also know as condensation.
A water wheel turning converts the potential energy of flowing water into mechanical energy, which can then be used to drive machinery or generate electricity.
A phase change.
A physical change!
It is a physical change when water boils. See also related answers.
Water boiling is a phase change, which is a kind of physical change.
white water rafting
dissolving is a physical change
Evaporation is a physical process.
evaporation.
Boiling of water is a physical process, a change of phase.
I dont know what your looking for but i dont think it really matters. Because when a plants roots take in the water, it goes up the stem, turning them what ever color the water is. (lets just say its blue water) And eventualy goes into the leaves. This will change the leaves color because of prosses of photothynthesis.