Everyday Science
NULL
Medium
Question
A lake starts freezing in cold weather. It will first freeze:
A
At the bottom
B
ln the middle pan
C
At the top surface
✓ Official correct answer
D
Uniformly throughout the water body
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
At the bottom
No member explanations yet for this option.
B
ln the middle pan
No member explanations yet for this option.
C
At the top surface
No member explanations yet for this option.
D
Uniformly throughout the water body
No member explanations yet for this option.
Explanation
Ice forms first at the top surface because water is densest near 4°C.
So the correct answer is At the top surface.
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