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What happens to the mercury in a thermometer Why?
The mercury in a thermometer expands and contracts as temperature changes. This expansion and contraction causes the level of mercury in the thermometer to rise or fall, providing a visual indication of the temperature.
Why is liquid used in thermometer?
Liquid is used in a thermometer because it expands and contracts uniformly with changes in temperature, allowing for accurate temperature measurements. The liquid inside the thermometer expands and rises in the capillary tube as it gets warmer, providing a visible indication of temperature.
What happens when a thermometer is left in the refrigerator?
When a thermometer is left in the refrigerator, it measures the temperature of the air inside the fridge. Depending on the type of thermometer, it will display a lower temperature as it equilibrates with the cooler environment. This can provide an indication of the refrigerator's efficiency or if it is functioning properly. Once removed, the thermometer will gradually return to room temperature.
Why does a clinical thermometer have a narrow constriction?
The narrow constriction in a clinical thermometer prevents the mercury column from dropping back down once body temperature is measured. This allows for an accurate reading of the highest temperature reached by the body.
How does a liquid-filled thermometer measure temperature accurately?
A liquid-filled thermometer measures temperature accurately by using the principle that liquids expand or contract with changes in temperature. As the temperature increases, the liquid inside the thermometer expands and rises up the tube, providing a visual indication of the temperature. Conversely, as the temperature decreases, the liquid contracts and moves down the tube. The markings on the thermometer scale correspond to specific temperature values, allowing for accurate measurement.
How can you measure a body temperature?
What kind of thermometer you use to measure the body temperature
To get an accurate measurement on a thermometer what do you do?
- Read the temperature over the meniscus (for mercury thermometers)- Avoid the parallaxe error- Respect the depth of immersion thermometer- Don't use thermometers with defects (ex. air bubbles)- Wait a reasonable time the setting of indication for the thermometer
Explain how to take the internal temperature of meat and why is this is important?
Stick a meat thermometer in the centre of the meat. Temperature is an indication of how well the meat is cooked - i.e rare, medium rare, well done...
What instrument do you temperature with?
measure temperature? A thermometer.
What measures a temperature?
A temperature probe is a digital thermometer.
What is a fever thermometer?
a fever thermometer, is a thermometer that you can use to check your body temperature.
How does a thenometre work?
A thermometer works by measuring temperature using a material that expands or contracts with changes in temperature. This material is usually mercury or alcohol sealed in a glass tube. As the temperature changes, the liquid expands and rises in the tube, providing a visual indication of the temperature.
