Celsius , Degrees we measure temperature, Fahrenheit, U.S.A uses, Water , Natural, we drink it, Melting, Process from Solid to Liquid, Evaporation, process from Liquid to Gas, cooking an egg, irreversible change , 0º. , water becomes ice, 100º, water boils at , thermal conductors , get hot quickly, thermal insultaros, wood, plastic, rubber.

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