Temperature and Thermometers Flashcards
1
Q
Temperature is…..
A
a measure of the hotness of an object
2
Q
A thermometer is
A
a molecular speedometer
3
Q
Two units of temperature are
How to convert the two
A
Celsius and Kelvin
Celsius = (Temp in Kelvin) - 273.15
0 K = -273.15C
273.15K = 0C
373.15 = 100C
4
Q
A thermometric property is
A
Any physical property that changes measurably with temperature
(must use measurably)
5
Q
Examples of thermometric properties
A
Length of a column of liquid e.g mercury and alcohol thermometers
Electrical resistance
Colour( colour strips used by nurse and placed on peoples foreheads)
Emf of a thermocouple