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condenses
super cooled, D
Dew, which is the condensation of water droplets on the ground.
Fog
yes, it condenses. thats why it rains. clouds become too heavy and water droplets (rain) fall. if the air is cold as it falls it can become snow or hail.
The droplets are what you see as clouds, and to change them into ice crystals requires a "seed" which might be dust, microscopic life, or even an ice crystal.
The water droplets known as dew form when the air temperature passes below the "dew point" and water vapor condenses from the air onto the cooler objects. When cooled, air can no longer hold as much moisture.
If air is compressed and cooled, the temperature of the air will become negative. Now depending on how much humidity there is in that air being compressed we might get some water droplets as it is being cooled. Carbon dioxide when compressed and cooled we get dry ice.
Yes water vapour or steam can be reverted back to water through the process known as condensing. If the steam is collected and cooled it will turn to water droplets that can be collected as water.
The air needs to be cooled, the amount depending on how much water vapour is in it. When it's cooled sufficiently the water vapour will condense on solid things as water, or become very small droplets (fog/cloud). When this happens in the early mornings we call it dew, and the temperature at which the water will condense is known as the dewpoint.
This is because the air around the tumbler contains water vapour in it. When these water vapour came in contact with the cold, they contact with cold water, loses energy and converted into liquid state, which we see as water droplets.
Ice cream, like milk, is a colloidal mixture. It has tiny droplets of fat floating in water.