Which device is based on the expansion of matter as temperature increases?
(DISCLAIMER: If your gonna answer, leave an explanation. I'd like to learn how it works, too.)
Thermometer is a health care device that works on the principle of expansion of matter as temperature increases. The thermometer is made with mercury and it expands when human body acquires unusual temperature. The expansion mercury is followed for detection of human body temperature. Two types of scales are used in this device.
