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If the thermometer touches the can, it will measure the temperature of the can instead of the liquid inside, giving an inaccurate reading. The can's temperature may not necessarily reflect the true temperature of the liquid, especially if the can has been exposed to different conditions.
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Why Mercury does not touch the walls thermometer?
Mercury does not touch the walls of a thermometer because it expands when heated, filling the space within the thermometer tube without coming into contact with the walls. This expansion is what allows mercury to accurately measure changes in temperature by rising and falling within the tube.
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 do you calibrate a freezer thermometer?
To calibrate a freezer thermometer, you will need a glass of ice water. Place the thermometer in the ice water for a few minutes, making sure it does not touch the sides or bottom of the glass. The thermometer should read 32°F (0°C) in the ice water. If it does not, adjust the calibration nut or dial on the thermometer until it reads the correct temperature.
How should the thermometer be inserted when using an electric thermometer?
When using an electric thermometer, the probe should be inserted into the center of the thickest part of the food being cooked, making sure not to touch any bones or the pan to get an accurate temperature reading. Be sure to follow the manufacturer's instructions for proper usage and cleaning to ensure food safety.
What is the plural of thermometer?
The plural of thermometer is thermometers.
How do you get game centre on an iPod touch?
you shouldnt have to get game centre it should only be on there
Can you have a poison blue dart frog as a pet?
i guess so but you shouldnt touch it or just dont get on
Why Mercury does not touch the walls thermometer?
Mercury does not touch the walls of a thermometer because it expands when heated, filling the space within the thermometer tube without coming into contact with the walls. This expansion is what allows mercury to accurately measure changes in temperature by rising and falling within the tube.
What is the importance of thermometric liquids?
Thermometric liquid is the liquid found in the thermometer that help in the up and down movement of the temperature.
Why is it better to use a thermometer rather than your sense of touch?
It is better to use a thermometer rather than your sense of touch because everyone's sense of touch is different, and the amount of heat you feel can only be felt to a certain point before you pull your hand away from the object being too hot or cold. In addition, your sense of touch is very inaccurate, because you cannot measure on a specific unit scale, but only on a hot-or-cold scale. When using a thermometer, it can measure specific degrees, and will be precise, accurate, and correct every time you use a functioning thermometer.
How do you tell if something is hot?
feel it with the sense of touch Most intelligent people use a thermometer!
Where can you get mercury?
From a thermometer. Note! Mercury can enter your body through the skin and there is no ay to remove it. Don't touch it!!
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 do you calibrate a freezer thermometer?
To calibrate a freezer thermometer, you will need a glass of ice water. Place the thermometer in the ice water for a few minutes, making sure it does not touch the sides or bottom of the glass. The thermometer should read 32°F (0°C) in the ice water. If it does not, adjust the calibration nut or dial on the thermometer until it reads the correct temperature.
How to use a meat thermometer to ensure the safe cooking of chicken?
To ensure the safe cooking of chicken using a meat thermometer, insert the thermometer into the thickest part of the chicken, making sure not to touch bone. Cook until the internal temperature reaches 165F (74C).
Why shouldn't the thermometer touch the walls of the distillation head?
because the sides of the beaker will be slightly at high temperature
Is using answering the cell phone while plugged in dangerous?
it shouldnt be dangerous. its like using a laptop while its charging or using your ipod touch while charging.
