capillary action


a: Capillary action ~
b: a person climbing a ladder

What: "With a pressure gradient that is promoting water to travel up the stem, individual water molecules are acting like a person climbing a ladder. As water clings to the sides of the tube (adhesive force), it pulls on adjacent water molecules (cohesive force) and those in effect pull on water molecules beneath continues in this fashion. Water continues to climb up the column while pulling the others along with it. Remember to explain that these are theories to explain the phenomenon of water traveling against the force of gravity and all the forces have not been accounted for, being that in order for this to occur the force of gravity must equal less than the sum of the forces opposing it."

Writer: Not Stated
Where: Reference Link Has Evaporated
Date: Apr 30 2014 6:34 PM

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