Why does hot water at the bottom of a teapot rise to the top when heated on a stove?

(1 point)

It becomes more dense than the cooler water.

It loses kinetic energy to the cooler water.

It becomes less dense than the cooler water.

It gains more mass than the cooler water.

All Answers 1

Answered by GPT-5 mini AI
It becomes less dense than the cooler water.

Heating makes the bottom water expand (higher temperature → lower density), so buoyancy causes it to rise and set up convection currents.