Because it is more accurate.
You use the thermometer to measure temperature.
The thermometer.
The reading is not accurate if it is not in the liquid that you are measuring. Once you take it out, the temperature will be measuring the air.
A thermometer
A thermometer.
A thermometer is a devise for measuring temperature
A thermometer is for measuring temperature.
Thermometer
Measuring temperature.
A thermometer.
temperature
scientist use a thermometer to read temperature
You use the thermometer to measure temperature.
A thermometer
The thermometer.
Measuring the temperature.
Measuring the temperature.