The smallest temperature value a thermometer can read is called the least count. It refers to the smallest division or increment on the thermometer’s scale. For example, in a thermometer with a least count of 1°C, it can measure temperature ...
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Air temperature is important for weather reports because it helps determine the overall weather conditions, such as whether it will be hot, cold, or moderate. It affects how we feel, what clothes we wear, and how weather phenomena like rain, ...
98.6°F is used as the standard average body temperature because it is considered the normal temperature of a healthy human body when measured orally. This value was established through research by a German physician, Carl Wunderlich, in the 19th century. ...
A weather thermometer is used to measure the temperature of the air in the atmosphere. It helps us understand how hot or cold the weather is at a particular time. This information is important for predicting weather patterns and planning ...
Body temperature readings taken from the armpit are generally lower than those taken from the mouth or rectum. This is because the armpit is not in direct contact with the body’s core, and the temperature there is influenced by the ...
The maximum temperature of a day is recorded using a maximum thermometer. This type of thermometer is designed to register the highest temperature reached during the day. It typically has a special liquid, such as mercury, that expands with heat. ...
To safely check for a fever without a thermometer, you can use the back of your hand to feel a person’s forehead, neck, or chest. If these areas feel unusually hot to the touch, the person may have a fever. ...
A person’s body temperature can be affected by several factors. Physical activity can raise body temperature as muscles generate heat. Time of day also plays a role, as body temperature is usually lower in the morning and higher in the ...
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 ...
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 ...