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When water is further cooled down its volume starts increasing and its density decreases why is it so?
Hydrogen bonding !
What would happen to the convection currents in the mantle if the earths interior cooled down?
the convection currents will be set in motion because the heat from the mantle rises and causing it to change Earth's density & force of gravity
When air is cooled what happens to the mass?
As temperature decreases, the density of air will increase. There is an inverse relationship between temperature and density. Cooler temperatures allow atoms and molecules of the gases in air to "pack more closely" and take up less space. As more material is taking up a given volume, the density of the material, the air in this case, increases. Scroll down to related links and look at "Density of air - Wikipedia". See: Importance of temperature.
How the density properties generally change as you go down the columns of the periodic table?
The density properties generally change as you go down the columns of the Periodic Table by increasing.
What is needed in order for the water vapor to change to liquid water?
It needs to be cooled down to condensate.
Why do some substances change when they are heated or cooled?
A solid or liquid would not change in density because the volume would not change. The density of a gas would increase when cooled and decrease when heated provided the volume is allowed to change as a function of temperature. However, density of a gas is generally not measured because it is not a useful metric to use.* * * * *That is a rubbish answer.Almost all solids or liquids expand when heated. (Pure water under "normal" circumstances has an anomalous phase between 0 and 4 deg C). So heating will increase the volume thereby decrease the density.
What happens to matter when it is cooled?
When matter is cooled, its particles slow down and come closer together, leading to a decrease in volume or density. In some cases, this can cause the matter to change state from a gas to a liquid or from a liquid to a solid through processes like condensation or freezing. Cooling can also impact the physical properties of the matter, such as stiffness and brittleness.
When liquid is cooled Its particles become?
At the feezing point the liquid become a solid.Freezing is a physical change.
How a change in thermal energy causes matter?
A burning wood fire, when cooled down or extinguished, leaves wood ashes.
Does volume density or mass change when water is frozen then heated?
The density of water changes at different temperatures. As temperature goes up, density goes down.
Is heating milk a reversible physical change?
Heating milk is a reversible physical change because the milk can be cooled back down to its original state. When milk is heated, its properties change temporarily, but it can return to its initial state once cooled.
Can you put heated milk back in the fridge after it has cooled down?
Yes, you can put heated milk back in the fridge after it has cooled down.
