OHST Practice Exam

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Is the Celsius scale the same as the Centigrade temperature scale?

True
False

The correct answer is: True

The Celsius scale and the Centigrade temperature scale refer to the same temperature measurement system. The term "Centigrade" was historically used to describe the scale due to the 100-degree interval between the freezing and boiling points of water, translating to "centi-" meaning one hundred. However, in 1948, the scale was officially renamed the Celsius scale in honor of the Swedish astronomer Anders Celsius. While many people still colloquially use the term "Centigrade," particularly in non-scientific contexts, Celsius is the preferred and officially recognized term today. Thus, stating that the two scales are the same is correct, as they measure temperature using the same points of reference.