Ok everyone here is really trying hard to explain water bending and i gotta admit that a lot of hard brainstorming and research has been going on, unfortunatly its all being used w/o proper application.
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First off, yes, water uses H bonds which is one reason why water sticks together. But what hasn't been mentioned is that H bonds are extremely weak intermolecular bonds and broken quite easily. And the strength of and H bond isn't due to dipole dipole momments, they are relative to its bond distance and angle. Dipole dipole
momments are what creats waters surface tension and does contribute to its strength to stick together, but again these are weak bonds and are constratly being broken and reformed. This is why when you belly flop off the high dive you get that initial *slap* then sink into the water feeling like an idiot.
Also water CAN cut through metal, its just takes a couple hundred years of wear and tear. And yes water does expands when it freezes, but not enough to warp, bend, or even less so cut through metal.
So the answer to your questions are:
#1. Its a cartoon
#2. Its a cartoon
now please pretty pretty pretty please leave science out of the show!!!
