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How do you tell how hot or cold something is?
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.
How does alcohol in a thermometer work?
Alcohol in a thermometer expands when heated and contracts when cooled. This change in volume causes the level of alcohol in the thermometer to rise or fall. By measuring the level of the alcohol, the temperature of the substance being measured can be determined.
Could a thermometer work at 115 degrees?
Most common thermometers can measure temperatures up to 120-130 degrees Fahrenheit, so a thermometer should be able to work at 115 degrees Fahrenheit. However, it's always best to check the specifications of the thermometer to ensure it can accurately measure temperatures at 115 degrees.
How does an infrared thermometer work on water?
An infrared thermometer works on water by measuring the infrared radiation emitted by the water's surface. Water absorbs and emits infrared radiation, allowing the thermometer to detect the temperature without making direct contact with the water.
What is a probe thermometer?
this is a thermometer that can work twice as much as a normal thermometer or a thermometer that can check the temperature of two things at the same time
How does love thermometer work?
by heat
What is a dual probe thermometer?
this is a thermometer that can work twice as much as a normal thermometer or a thermometer that can check the temperature of two things at the same time
Will a thermometer work in the horziontal position?
Yes, it will.
How does a thermometor work?
i don't know how a thermometer works
How a laboratory thermometer work?
It works when the thermometer gains heat from the surroundings. When the thermometer gains heat from the surroundings, gradually Mercury expands and it points the accurate measurement of temperature.
How do you tell how hot or cold something is?
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.
What thermometer would be used to collect data over a twenty four hour period of time?
You can use the recording thermometer or the mercury thermometer, either one of those will work.
How does a liquid in glass thermometer work?
the heat makes it expand you see
What instrument measures Antarctica's temperature?
This work is commonly accomplished by a thermometer.
What are 10 tools the scientist use in their work?
Barometers, Anemometer, Thermometer
How does a USB thermometer work?
A USB thermometer works in much the same way any digital thermometer works by measuring the temperature of the individual via contact with their skin or mouth. The USB thermometer is then able to be plugged into a computer via the USB to record and chart the findings.
How does alcohol in a thermometer work?
Alcohol in a thermometer expands when heated and contracts when cooled. This change in volume causes the level of alcohol in the thermometer to rise or fall. By measuring the level of the alcohol, the temperature of the substance being measured can be determined.
