Bureau of Labor Statistics. Overview: The Bureau of Labor Statistics (BLS) is one of eight specialized divisions within the Department of Labor, and a direct descendent of the original Bureau of Labor, Department of the Interior, established in 1884. (Todayâs Department of Labor was established as a cabinet-level agency in 1913).
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1 Freezing is the process that causes a substance to change from a liquid to a solid. 2  Freezing occurs when the molecules of a liquid slow down enough that their attractions cause them to arrange themselves into fixed positions as a solid.ome small drops of water may appear higher on the can where it is not as cold. Describe what happens to water molecules as they move from being water vapor near the can to ice on the can. Water vapor molecules in the air near the can cooled when energy from the air transferred to the cold can.