Water is made of tiny pieces called molecules. Heat makes molecules excited. They jump around and move quickly! They need space to do this. Cold, on the other hand, makes molecules slow down and it can make them nearly stop. They don't need as much room to move around and the space between them shrinks! It would seem that cold water would have to be denser than warm water.
cold water is more dense than hot water, therefore making it heavier.
Neither.
Technically hot water is heavier, according to quantum physics and string theory, but for practical purposes, they weigh exactly the same.
hot water is less dense.
Hot air rises, so is lighter than cold air.
When hot water and cold water are mixed together, heat flows from hot water to cold water and brings them to equilibrium at a temperature intermediate to that of hot water and the cold water That may be right, but I think that the hot water would be more dominant causing the cold water to almost instantly turn hot.
hot
Hot and cold water and a freezer and a timer or stopwatch
When you add hot water to cold water, the cold water warms up because of thermal conduction. Some of the kinetic energy of the hot water transfers to the cold water on contact, eventually leading to a uniform temperature throughout.
that happens because cold water is heavier than hot water.
lil Wayne
You are wrong ! - Cold water is heavier ( denser ) than hot water.
cold water is much heavier than hot water . the water becomes warm
Hot is the heavier molecule.
Given an identical volume of both to begin with (say, one gallon hot water, and one gallon cold water) they will be identical in weight. However, cold water is more dense than hot water.
cold air is heavier than the warm air warm air has low water so it is hot and low heavy but cold air has a lot of water so it cold and heavy
Hot water is less dense than cold water. So if you have equal volumes of both,then the cold one is heavier than the hot one.* That's why we build stoves in such a way as to heat the bottom of the pot ...that's where the colder liquid is.
Yes. Cold water is slightly heavier than hot water. (That's why stoves are built to heat the bottom of the pot, not the top.)
Hot air rises, so is lighter than cold air.
Water can be hot or cold if you want
cold air is heavier than hot air so the cold air gos to the hot air where theirs less pressure