Identify the process that is involved in the following changes. Choose from the words given below.
freezing, evaporation, melting, sublimation, condensation, vaporisation
(a) The juice that you left in the freezer to cool last evening is a frozen treat today.
(b) You forgot to switch off the tea kettle and all the water is gone.
(c) The cold hard butter that you spread on your warm toast is now soft and easy to spread.
(d) The big ice cubes you put in your water are now tiny.
(e) When you put a lid on hot soup, the inside of the lid gets wet.
(f) The wet jeans that you hung out to dry last night when the temperature dropped below freezing are now cold, hard and stiff.
(g) When you breathe onto a cold mirror it turns foggy.
(h) The perfume from the bottle that you left open last evening was gone when you looked at it this morning.
(i) Puddles of water turn into ice on a very cold night.
(j) The solid piece of freshener that your mother left on the bathroom shelf disappeared in a few weeks.

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Solution

(a) Freezing
(b) Vaporisation
(c) Melting
(d) Melting
(e) Condensation
(f) Freezing
(g) Condensation
(h) Evaporation
(i) Freezing
(j) Sublimation

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