Depends on the kind of thermometer you're talking about. If it's about your own temperature, modern digital ones will measure it through the ear. The old-fashioned ones through the armpit or more reliably, by putting it up the bum.
When measuring the outside temperature, the thing is to measure it in the shade and protect it also against influences by wind or rain.
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To properly use a thermometer, make sure it is clean and sanitized before each use. Insert the thermometer into the area to be measured (such as the mouth, ear, or armpit) according to the manufacturer's instructions. Wait for the thermometer to give a reading, and then clean it again after each use.
the mercury should be at normal body temperature level before using it the thermometer should be cleaned after use with normal water the bulb of the thermometer should not be touched
A rectal thermometer is commonly used to measure the temperature of birds. It is important to follow proper procedures for avian temperature measurement to ensure accuracy and avoid injury to the bird.
A thermometer is the most common apparatus used to measure temperature. It typically contains a liquid such as mercury or alcohol that expands or contracts in response to temperature changes, allowing the user to read the temperature from a scale. More modern thermometers may use digital technology to provide temperature readings.
A thermometer is commonly used to measure the temperature of hot water. Simply immerse the thermometer in the water to get an accurate temperature reading.
No, it is not recommended to use a baby thermometer to test the temperature of water. Baby thermometers are specifically designed to measure human body temperature and may not provide accurate results for testing water temperature. It's best to use a thermometer specifically designed for measuring water temperature.