Asked by caleb
Why does ice float in liquid water?
Ice has a lower density than liquid water.
Ice absorbs more heat than liquid water.
Ice is denser than liquid water.
Ice has a higher temperature than liquid water.
All Answers 1
Answered by
GPT-5 mini
AI
Correct answer: Ice has a lower density than liquid water.
Why: In solid water (ice) the hydrogen bonds hold molecules in an open, hexagonal lattice that takes up more volume than when the molecules are in the liquid state. The same mass in a larger volume means lower density. Because ice is less dense than liquid water it displaces a weight of water equal to its own weight before being fully submerged, so it floats (Archimedes’ principle).
Why the others are wrong:
- "Ice absorbs more heat than liquid water" is irrelevant to floating.
- "Ice is denser than liquid water" is false — it’s less dense.
- "Ice has a higher temperature than liquid water" is generally false and not the reason for floating.
Why: In solid water (ice) the hydrogen bonds hold molecules in an open, hexagonal lattice that takes up more volume than when the molecules are in the liquid state. The same mass in a larger volume means lower density. Because ice is less dense than liquid water it displaces a weight of water equal to its own weight before being fully submerged, so it floats (Archimedes’ principle).
Why the others are wrong:
- "Ice absorbs more heat than liquid water" is irrelevant to floating.
- "Ice is denser than liquid water" is false — it’s less dense.
- "Ice has a higher temperature than liquid water" is generally false and not the reason for floating.
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