The metal increases in hardness, a mechanical property. The process which transforms the metal hardness is called "quenching".
How cold? You can get hypothermia in 50-80 degree water. Are you asking about 32 degree water? Shock in five minutes or so. Your expected life expectancy is about 15 minutes. If its really cold you'll be dead in 3-5 minutes.
If you are suddenly immersed in cold water, your body may experience cold shock response which can lead to gasping for air, increased heart rate, and rapid breathing. Hypothermia can also set in quickly, causing loss of dexterity and cognitive function. It's important to get out of the water as soon as possible and warm up to prevent further complications.
When an object is immersed in water, it means it is completely surrounded or covered by the water.
rises
She was completely immersed in her book, oblivious to everything else happening around her.
you can use a 300ml graduated cylinder water,3different objects
Not until it has been immersed for such a long time that it begins to dissolve(weeks).
Phosphorus is kept immersed in water to prevent its reaction with oxygen in the air, which can cause it to ignite spontaneously. Keeping phosphorus submerged in water helps to maintain its stability and prevent any potential hazards.
Being immersed in water means being completely submerged or covered by water. It could refer to someone or something being fully surrounded by water.
Insects
Immersed means partially in water and submerged means completely covered.