The least count of a thermometer is the smallest temperature difference that it can measure accurately. Typically, for a standard mercury-in-glass thermometer, the least count is 0.1°C.
The lowest temperature shown on a standard Fahrenheit thermometer is typically -40°F.
The width of a thermometer can vary depending on the specific model and design. However, most standard thermometers have a width ranging from about 1 to 2 inches.
A standard thermometer has Fahrienhiet and Centigrade
use a thermometer.We can feel how hot or cold something is. However, sometimes things are just too hot or cold for us to feel safely. At other times we need to know exactly how hot or cold something is. When we need to measure temperature correctly we need to use an instrument called a thermometer. This measures temperature in degrees Celsius [sometimes called centigrade] or degrees Fahrenheit. There are different types of thermometers for different situations. A medical thermometer, for example, needs to be very accurate. It measures in fractions of degrees. When we are ill, even tiny changes in temperature are important. Some thermometers use a liquid that moves up a very fine glass tube. Most room thermometers, and outdoor thermometers are like this. The liquid is either mercury [ which is poisonous] or coloured alcohol. As liquids get warmer they expand [get bigger], and move up the tube. Water expands too, but not as much as alcohol and mercury. Thermometers that might be used by small children are not made of glass. They use a digital display which lights up the temperature. Inside the displays are chemicals that change colour according to the temperature.
Electronic thermometers and standard thermometers are equally accurate. In terms of reliability, the standard thermometer wins. Why? Because it doesn't have any batteries to go dead.
The thermometer should read 100 degrees Celsius when placed in boiling water at standard atmospheric pressure.
The least count of a thermometer is the smallest temperature difference that it can measure accurately. Typically, for a standard mercury-in-glass thermometer, the least count is 0.1°C.
astronomers
The lowest temperature shown on a standard Fahrenheit thermometer is typically -40°F.
The width of a thermometer can vary depending on the specific model and design. However, most standard thermometers have a width ranging from about 1 to 2 inches.
A standard thermometer has Fahrienhiet and Centigrade
use a thermometer.We can feel how hot or cold something is. However, sometimes things are just too hot or cold for us to feel safely. At other times we need to know exactly how hot or cold something is. When we need to measure temperature correctly we need to use an instrument called a thermometer. This measures temperature in degrees Celsius [sometimes called centigrade] or degrees Fahrenheit. There are different types of thermometers for different situations. A medical thermometer, for example, needs to be very accurate. It measures in fractions of degrees. When we are ill, even tiny changes in temperature are important. Some thermometers use a liquid that moves up a very fine glass tube. Most room thermometers, and outdoor thermometers are like this. The liquid is either mercury [ which is poisonous] or coloured alcohol. As liquids get warmer they expand [get bigger], and move up the tube. Water expands too, but not as much as alcohol and mercury. Thermometers that might be used by small children are not made of glass. They use a digital display which lights up the temperature. Inside the displays are chemicals that change colour according to the temperature.
The temperature range on a thermometer can vary depending on the type and purpose of the thermometer. Common temperature ranges include -50°C to 150°C for a standard household thermometer and up to 1000°C for specialized industrial thermometers. Digital thermometers can have wider ranges, such as -50°C to 300°C.
The upper fixed point on a thermometer is the temperature set at 100 degrees Celsius, which corresponds to the boiling point of water at standard atmospheric pressure. This fixed point is used as a reference point for calibrating the thermometer.
The weight of a thermometer can vary depending on its size and design. However, most standard thermometers typically weigh around a few ounces to a couple of pounds.
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