1) liquid changes into gas by heating a) evaporation b) condensation c) freezing 2) water evaporates when it is hot only a) true b) false 3) water vapour changes into water by cooling  a) evaporation b) condensation c) freezing 4) particles of solid packed tightly together a) true b) false 5) solid particles can be compressed a) true b) false 6) factors affecting rate of evaoration a) wind temperature,surface area b) temperature only c) wind only

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