Question

how is temperature measured with a thermometer

Answer 1

thermometer have mercury in it which expand in contact or presence of heat when we touch thermometer mercury expand and give us temperature

Answer 2

Answer:

A thermometer measures temperature through a glass tube sealed with mercury that expands or contracts as the temperature rises or falls. ... As temperatures rise, the mercury-filled bulb expands into the capillary tube. Its rate of expansion is calibrated on the glass scale.