Transpiration is basically the leaf exhaling the water vapour by its stomata
Why does water travel up the xylem like it does?
This process is called capillary action. capillary action allows the water to go through these thin tubes.
What factors can affect the rate (speed) of transpiration?
Light. Plants transpire more rapidly in the light than in the dark. ...
Temperature. Plants transpire more rapidly at higher temperatures because water evaporates more rapidly as the temperature rises.
I hope this helps!