Capillary Action

Best explanation I've seen on the web.
Thanks.

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WOW. It's amazing, the number of people that understand this website and comment on how awesome it is, yet they fail at spelling plain english.

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The information is good and helped my kid in 5th grade for his science project. The combined effect of negative pressure created because of evaporation of water from leaves and the capillary action results in the water being pushed up to the leaves and flowers of the plants and tallest of the trees. But nature is too complicated to give 100% answers to all questions we may be 80% close to the correct answer

My 8 yr old daughter today looked at me and said "I know how water moves up plants" where she went on to explain (using my words) that "water enters a plant and expands the stalk. As the stalk above the water begins to expand (due to pressure and 'soaking') it too begins to expand, resulting in a suction process pulling more water up into the void. The action continues up and throughout the plant." Not bad at all.

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how does the capillary action of clay soil compare to that of sand soil?

Thanks for the interesting article. Can you tell me if water undergoing capillary action is under raised or lowered pressure? Thanks.

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is there any liquid that does not exhibit capillary action

this was good for our researech paper hopefullly we get an A+++++

this defenition really helped me with my Science Project.Thanks.

im in grade 7 and understand all of this. Your learning it in college???Anyway thx 4 the help

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I need more information to explain EXAMPLES not just imagining something going up a tube..

Does the number of molecules in the liquid have any affect on how high the liquid will climb. For instance, if a liquid has more molecules than the second, will it climb higher up the tube than the second?

the capillary action is rising awater in anarrow tube because the tube is narrow and adhensive force is greater than cohensive

is the capillary action applies to the gravure industry and how it acts with gravure cylinder and substrate used

wait...ok...so is capillary action like "tubes" of whatever that the water flows through to get the water to the plants??

capillary action is used by plants to spread water to its apendiges and leaves!!

dont doubt the strenght of capillary action!

the movement of water through plant tissues is not due to capillary action. trees can be over 100 meters tall, capillary action is too weak to explain this. The movement is through negative pressure in the xylem caused by evaporation of the leave, and hypertonic root cells causing water to flow in from the soil via osmosis and up to the leaves via atmospheric pressure being greater than that inside the xylem (due to evaporation of water in the leaves).

I believe that this site helps us understand diffrent things in biology

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This is my favorite of all the capillary action sites ive seen so far! thanx bunches lol :)

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The force with which water is held by capillary action varies with the quantity of water being held. Water entering a natural void, such as a pore within the soil, forms a film on the surface of the material surrounding the pore. The adhesion of the water molecules nearest the solid material is greatest. As water is added to the pore, the thickness of the film increases, the capillary force is reduced in magnitude, and water molecules on the outer portion of the film may begin to flow under the influence of gravity. As more water enters the pore the capillary force is reduced to zero when the pore is saturated. The movement of groundwater through the soil zone is controlled, in part, by capillary action. The transport of fluids within plants is also an example of capillary action. As the plant releases water from its leaves, water is drawn upward from the roots to replace it.

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This website truly helped me with my understanding of capillary action and the water properties involved in it.

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hi, i'm doing a science expo next week and this is my experiment, so id like to say thanks for giving me all this info, ive learnt alot and my teacher said that is a really good one and she likes it so thanks.

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what is the use of capillary action and the surface tension?plz. . .

How does capillary action and blotting action relate? Wiki seams to use them to mean the same thing.

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