Quote:
Originally Posted by rvalukonis
Sorry, there will be a slight but measurable reduction in the water level since ice is less dense than water and contracts 9% by volume when it melts. That's why ice floats in water.
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Agree, which is what I had posted. However, to be technically correct we have to account for the volume of ice above the water line. Therefore, we need to modify the experiment to put the ice at the bottom of the glass, cover it with a screen and then add water. Then we would find a slight drop in the level. But again, this has nothing to do with ice over land melting.