Because as your hands are warm and the object is slightly colder then it makes a big difference...
Not all sensitivity is the same; if the skin has been burned it will feel better in cold water, and it is has been frostbitten, it will feel better in hot water. Too much heat or too much cold is going to be painful. Try mildly warm water instead.
feel cold water in the head
Could the lines have been switched over? body tempreature can also have an affect how you interpret the tempreature of water.
When you dip your hand in cold water you feel it cold. Can you name the mode of heat transfer and its direction?
Our body temperature is high then cold water so when it comes in contact with our body energy in the form of heat is transferred from body to water so it decreases our body temperature and we feel cold.
it is cold water!
When you dip your finger into cold water, heat is transferred from your finger to the water. This transfer of heat causes your finger to feel cold.
When you get hot, if you drink cold water it will make you feel good.
This is due to the phenomenon known as contrast effect. When you first put your hands in cold and hot water, your nerves respond to the extreme temperatures. When you move them to the lukewarm water, the hand that was in the cold water will perceive the water as hot because of the contrast in temperatures.
Because when your hands are dip into the cold ice water, your hands became cold. But when you take out of the ice cold water, it is still cold .But the forehead got a temperature so it will feel warmer and become more hot after a few minute
The hot water on your skin opens your pores, and makes you sweat. The sweat evaporates, taking body heat away - making you feel cold. When your body is cold - you shiver.
The dry person will feel the cold more because the wet person standing next to them will try and get warm until the water evaporates onto the next person but by the time it has reached the dry person it would have been cold. so the dry person would feel the cold more! I think, the wet person will feel the cold more because water needs energy to evaporate and this energy is taken form the immediate surroundings ie the wet person, making the wet person feel cold. If you wet your finger and hold it up in the air it will feel cold because the heat to evaporate the water is coming from your finger.