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if i stir the milk will it boil faster or if i do not stir at all

2006-07-04 21:25:09 · 19 answers · asked by neeta 1 in Science & Mathematics Physics

19 answers

Stirring causes more even distribution of the heat and as such may cause the start of boiling to be slightly slower than if you do not stir and allow the parts closest to the heat source to commence boiling first.

2006-07-04 21:31:13 · answer #1 · answered by Son of Gap 5 · 0 1

I do not have a degree in Physics; however, the simple act of stirring introduces 'agitation' which is a form of heat, which in turn could only, on however small a measured scale, contribute to the milk reaching its boiling point; resulting in acheiving a boiling point faster than simply leaving it alone.

2006-07-04 21:29:54 · answer #2 · answered by Anonymous · 0 0

if you are heating the milk from beneath in a pan (and not e.g. in a microwave oven) the milk will boil faster if you stir. This is because the heat transfer from the base of the pan is improved by stirring and the formation of a layer of solidified milk (which also reduces heat transfer) on the base of the pan is reduced - you will incidentally also notice less burning on the base of the pan, indicating that the heat is being conducted away to the milk and not buiding up in the base layer.

2006-07-04 21:40:18 · answer #3 · answered by Anonymous · 0 0

Yes, stirring the milk will make it boil faster.

2006-07-04 21:30:13 · answer #4 · answered by zee_prime 6 · 0 0

.Milk contains fat and other things; if we do not stir it occasionally then a light coating of substances which stick to the bottom of the vessel is formed which prevents easy conduction of heat to the rest of the milk.

Hence occasional stirring is necessary to make the milk boil faster.

2006-07-04 22:04:02 · answer #5 · answered by Pearlsawme 7 · 0 0

stirring the milk makes the heat convection to the environment faster thereby wanting more of it from the source, thus making the boiling process slower!

2006-07-04 21:32:13 · answer #6 · answered by katrina 2 · 0 0

It boils faster if it is not stirred.
You loose the boils down below by blowing them out by stirring.
Keep the lid on to retain the steam in shape of bubbles, which shall reduce the time of boiling.
Steam contains 273 calories of heat more than the boiling water, hence helps in early boiling if retained inside the container.

2006-07-04 22:01:06 · answer #7 · answered by Saadi 5 · 0 0

Yes
a little faster .
Because boling starts from some spacial points for example a microscopic crack in the bottom of vessel , and any disturbance could help the boiling process to start faster .
(a minor reason is that mixing makes heat and help the process)

2006-07-04 21:35:45 · answer #8 · answered by platinum_m21 1 · 0 0

Don't stir, If you are then you let air in and it keeps cooling it down. If you leave it alone it will heat a lot faster.

2006-07-04 21:29:30 · answer #9 · answered by Dirty Rob 3 · 0 0

by stirring the milk will heat faster because you are distributing the heat rather than only the sides heating in the pot.

2006-07-04 21:29:18 · answer #10 · answered by Anonymous · 0 0

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