The liquid column in a thermometer falls immediately after removing it from hot water because the liquid inside the thermometer contracts as it cools down. When the thermometer is in hot water, the liquid expands due to the heat, rising ...
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Laboratory thermometers are not used for measuring body temperature because they are designed to measure a wider range of temperatures, typically from -10°C to 110°C, and can be more sensitive to temperature changes. They are also larger and more fragile ...
Animals’ body temperatures can vary greatly compared to humans. Humans are warm-blooded, meaning they can maintain a constant body temperature of around 37°C regardless of the surrounding environment. On the other hand, cold-blooded animals, like reptiles and fish, rely on ...
The unit symbol used for temperature on the Kelvin scale is K. Unlike Celsius and Fahrenheit, which use degrees (°), the Kelvin scale does not have a degree symbol. The Kelvin scale is mainly used in scientific studies and experiments ...
Small children often have slightly higher body temperatures than adults because their metabolism is faster, and their bodies generate more heat. Children also have a smaller body mass, which can cause temperature fluctuations to be more noticeable. Their bodies are ...
During the COVID-19 pandemic, a non-contact or infrared thermometer is commonly used to measure body temperature. This type of thermometer allows for quick and accurate temperature readings without physical contact, reducing the risk of spreading the virus. It works by ...
When water is boiling, its temperature remains constant at 100°C (at sea level) even though heat is being continuously added. This is because the energy is being used to change the water from a liquid to a gas, a process ...
The main use of a room thermometer is to measure the temperature of the air in a room or indoor space. It helps in monitoring whether the room is too hot, too cold, or at a comfortable temperature. Room thermometers ...
When using a digital thermometer, it is important to follow a few precautions for accuracy and safety. First, always clean the thermometer before and after use to avoid infections. Ensure that the thermometer is properly calibrated and working correctly. Do ...
You should avoid holding a thermometer by the bulb because it can lead to an inaccurate temperature reading. The heat from your hand can affect the thermometer’s reading, causing it to show a higher temperature than the actual one. Additionally, ...