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A vacuum flask keeps hot things hot & cold things cold. Just how it tells the difference is one of the mysteries of the scientific world !
Hot things have more energy than cold one.
hot to cold
In fact hot water freezes quicker in a cold climate, because of the sudden temperature change. If you want to test it for yourself, take two ice trays, fill one with cold water and one with very hot water, stick them in the freezer, and see that the hot water freezes quicker.
Undoubtfully no. Whenever a hot substance comes in contact with a cold one then heat energy always flow from the hot body to the cold body till equilibrium temperature is attained.
Touch is probably the most fitting.
A vacuum flask keeps hot things hot & cold things cold. Just how it tells the difference is one of the mysteries of the scientific world !
one is hot and one is cold
It will have two pipes one will be cold and one will be hot if one isn't hot or cold like it supposed to be it will be broken if one is hot and one is cold it is working?
Touch
one is cold and the other is hot
one is hot and the other is cold.
Yes, one may consider warm to be between hot and cold. One may also consider warm to bebetween neutral and hot. The terms cold, neutral, warm, and hot are relative terms.
If you let hot water cool down, it will become cold water.
Borscht is one soup that is appreciated served hot or cold. It is popular as a cold soup in the US.
Hot things have more energy than cold one.
One for hot and one for cold