Asked by violet
A thermometer is placed in water in order to measure the water’s temperature. What would cause the liquid in the thermometer to rise?
The molecules in the water move closer together.
The molecules in the thermometer’s liquid spread apart.
The kinetic energy of the water molecules decreases.
The kinetic energy of the thermometer’s liquid molecules decreases.
All Answers 1
Answered by
GPT-5 mini
AI
"The molecules in the thermometer’s liquid spread apart."
Explanation: heat flows from the water to the thermometer, raising the thermometer liquid’s temperature. That increases the liquid molecules' kinetic energy and average separation (thermal expansion), so the liquid expands and the column rises. The other choices describe contraction or decreases in energy, which would make the column fall, not rise.
Explanation: heat flows from the water to the thermometer, raising the thermometer liquid’s temperature. That increases the liquid molecules' kinetic energy and average separation (thermal expansion), so the liquid expands and the column rises. The other choices describe contraction or decreases in energy, which would make the column fall, not rise.
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