Does Hot Water Freeze Faster Than Cold Water?
Interactive Video
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Quizizz Content
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Science, Physics, Chemistry
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11th Grade - University
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Hard
02:10
5 questions
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1.
Multiple Choice
What is the Mpemba effect?
The observation that cold water boils faster than hot water.
The observation that hot water freezes faster than cold water.
The observation that water evaporates faster when cold.
The observation that ice melts faster in hot water.
2.
Multiple Choice
Who first noticed the Mpemba effect in 1963?
Aristotle
Rene Descartes
Erasto Mpemba
Francis Bacon
3.
Multiple Choice
Why is it difficult to reproduce the Mpemba effect consistently?
Because cold water evaporates more quickly.
Because the freezing point of water is constant.
Because hot water always freezes faster than cold water.
Because of the varying levels of impurities in water.
4.
Multiple Choice
Which theory suggests that evaporation might explain the Mpemba effect?
Covalent bonds
Evaporation
Convection currents
Dissolved gases
5.
Multiple Choice
What is one reason hot water might freeze faster according to some researchers?
Hot water contains more impurities.
Hot water holds less dissolved gas.
Hot water holds more dissolved gas.
Hot water has stronger covalent bonds.
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