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How does the liquid in thermometer contacts with hot or cold body?
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Where is most of the liquid in a thermometer?
At the bottom if it's really cold and all over if it's really hot.
Why does the thermometer go down when cooled?
The cold reduces the temperature in the liquid inside the thermometer bulb. Most substances contract when their temperature drops so the liquid in the bulb occupies less space. this causes the column of liquid outside the bulb to become smaller.
What happen if you touch a cold surface?
Personally, because you asked, when I touch a cold surface, my finger feels cold because it contacts some solid liquid or gas that is very very frigid.
What measures how cold or hot something is?
a Thermometer.
Why does the liquid in the thermometer go up and down when the weather changes?
the liquid in the thermometer rises because of the surrounding heat which causes a chemical reaction wihtin the substance which makes the liquid rises. When, the liquid sinks, itn is because the air has gotten cooler
What change takes place in the liquid inside a thermometer when it is placed into somthing cold?
The liquid inside the thermometer "contracts" when it is placed into something cold. This means that it decreases in volume and increases in density. This is the reason that the thermometer can measure heat: the volume of the liquid inside the thermometer changes as a function of heat, and the amount of liquid in the "tube" of the thermometer changes as a function of volume. Because of this relationship, the level of the liquid in the tube of the thermometer changes as a function of heat.
What change takes place in the liquid inside a thermometer when the thermometer is placed into something cold?
The liquid in thermometers contracts when placed in something cold (and expands when placed in something hot.)
Why does perfume make you cold?
liquid released into a gas turns cold, and that is what contacts the skin.
Uses of a thermometer?
to take temperature of a cold or hot liquid usually used to take a fever
Why is rubbing alcohol a good liquid to use in a simple thermometer?
Rubbing alcohol is a good liquid to use in a simple thermometer because it expands when heat ia added to it. When cold temperatures are added to it, it regroupes.
Where is most of the liquid in a thermometer?
At the bottom if it's really cold and all over if it's really hot.
Why does sitting in a cold bathtub cool your body down?
It cools your body down because the water is so cold that the temperature in you u body goes like a thermometer.
Why does the thermometer go down when cooled?
The cold reduces the temperature in the liquid inside the thermometer bulb. Most substances contract when their temperature drops so the liquid in the bulb occupies less space. this causes the column of liquid outside the bulb to become smaller.
What instrument measures hot or cold air?
a thermometer
When a cold alcohol thermometer is placed in a hot liquid, the column of alcohol goes downslightly before going up. Explain why?
because
What happen if you touch a cold surface?
Personally, because you asked, when I touch a cold surface, my finger feels cold because it contacts some solid liquid or gas that is very very frigid.
What a thermometer ued for?
As soon as your symptoms have officially cleared up (see doctor)
