Quote:
Originally Posted by kp11364
In regard to a recently closed thread about rising water levels, try this:
1. Fill a drinking glass half-full with water
2. Add 2-3 ice cubes. Look at the water level.
3. Put the glass aside; let all the ice melt. You will see that the water level remains the same. Why? Because the amount of water remains the same, regardless of the state of the water.
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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.