Answer :
Final answer:
Thermometers must be calibrated to ensure accurate temperature readings. This involves adjusting the thermometer against a known standard to correct any discrepancies. Proper calibration is essential for reliable measurements in many fields.
Explanation:
Importance of Calibration for Thermometers
For thermometers to read temperatures correctly, they must be calibrated. Calibration is the process of adjusting the thermometer to ensure that its readings are accurate in relation to a known standard. This is particularly important because even small discrepancies in temperature readings can lead to significant errors, especially in scientific or medical contexts.
Calibrating a thermometer typically involves comparing it against a standard thermometer that has been proven to be accurate. If the readings differ, adjustments are made to the thermometer in question. For example, a common method of calibration uses ice water at 0°C (32°F) and boiling water at 100°C (212°F) at sea level. Ensuring thermometers are calibrated allows for consistency and reliability in temperature measurements, making it crucial for various applications, from cooking to laboratory experiments.
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