what scientific tool would be the most helpful when measuring the temperature of a substance that is…

what scientific tool would be the most helpful when measuring the temperature of a substance that is undergoing a phase change?\n○ a spectrophotometer\n○ a thermometer\n○ the periodic table\n○ a scale

what scientific tool would be the most helpful when measuring the temperature of a substance that is undergoing a phase change?\n○ a spectrophotometer\n○ a thermometer\n○ the periodic table\n○ a scale

Answer

Brief Explanations:

A thermometer is used to measure temperature. A spectrophotometer measures light - related properties, the periodic table lists elements, and a scale measures mass.

Answer:

B. a thermometer