If you do not use a thermometer to measure temperature, then you have no way of knowing exactly what the temperature is, either of the air, or of the turkey you are baking, or of your refrigerator, or of your own body (if you have a fever) or of various other things for which you might have a reason to want to know the temperature.
What kind of thermometer you use to measure the body temperature
A mercury thermometer is used to measure temperature.
Use a thermometer.
That depends on how hot the water is in the cup. Use the thermometer to measure it and see.
You can use a digital or analog thermometer to measure the temperature of ice, but it's best to use a thermometer that can measure low temperatures accurately. A thermometer that measures from -50°C to 50°C would be suitable for measuring the temperature of ice.
A thermometer.
thermometer
You can use a thermometer to measure room temperature accurately. Place the thermometer in the room for a few minutes to ensure an accurate reading.
You would use a thermometer to measure air temperature.
We cannot use a clinical thermometer to measure temperature of a candle flame because then the mercury will expand too much and the thermometer will explode.
A thermometer is used to measure the temperature of hot water.
Thermometer