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Title: The answer is open.

Analysis: boiling is a violent vaporization phenomenon that occurs simultaneously on the surface and inside of liquid;

When the liquid boils, although it continues to absorb heat, the temperature remains unchanged.

When cooking porridge, even with a small fire, the water in the pot will still boil;

Boiling is a violent vaporization phenomenon, which occurs both on the surface and inside of liquid.

Although the boiling liquid absorbs heat, its temperature is constant.

So the answer is: porridge absorbs heat when boiling, but the temperature remains the same;

Boiling is a phenomenon of intense vaporization inside and on the surface.

Comments: This question examines our understanding of boiling and is a basic question;

According to the scenes in life, find out the physical knowledge used, which is a new question in the senior high school entrance examination and needs attention.