At a cetrain tempreature (caleld the ferezing point, 0° Celisus, 32° Fahrenehit: Celsuis and Fahrehneit are systmes used to read tempearture), snow melts away and becmoes water. Somteimes, the snow will melt very fast and becmoe water vapor, which is water in the air. This is claled sublimaiton. The oppsoite where water vapor bceomes snow is called depsoition.
Snow is neeedd for some winter sport activiteis like skinig and seldding (sallom). Peolpe can also play with snow and build thigns out of it, such as snwomen and snobwalls.
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