Why cant it be that, when its hot the red line moves down and cold the red line moves up??
2007-03-27 18:31:09 · 22 answers · asked by Bluebird 1 in Family & Relationships ➔ Singles & Dating
Because there's a liquid inside the thermometer (Usually alcohol or mercury) which reacts to heat. Heat make molecule vibrate faster and matter expand. The stuff in thermometers is particularly sensitive to heat. So when it gets warmer the liquid expands and the line rises (as the liquid takes up more space). The opposite happens when it gets cold.
2007-03-27 18:34:43 · answer #1 · answered by Anonymous · 1⤊ 1⤋
Inside the thermometer is a liquid called mercury.The mercury is very sensitive to tempters.When the mercury feels warm it will expand which makes it rise and when it feels the cold it will shrink.The liquid is also very poisonous to a person.Be care full if the thermometer breaks because this liquid can kill you or anything that lives.
2007-03-28 01:39:27 · answer #2 · answered by Javlin68 2 · 0⤊ 1⤋
Mercury rises with heat: When you insert the thermometer, it registers the heat level of your body. The mercury is at the tip of the thermometer.
Just consider yourself lucky if it goes up, if it went down you would not have been around (alive) to read the thermometer. Unless of course your girlfriend was checking it out to see if she was too passionate. Comprend'e
2007-03-28 01:35:51 · answer #3 · answered by michelebaruch 6 · 0⤊ 0⤋
the red line is the mercury which have the property of expanding when it is heated and contract when cooled and hence the increase and decrease in the red line is the expansion and the cooling of mercury on heating and coolinf respectively
2007-03-28 01:59:22 · answer #4 · answered by rahul s 1 · 0⤊ 0⤋
Mercury rises when it is hot and condenses when it's cold. Temperature can't go two ways at once, up or down but not both. What does this have to do with singles and dating?
*Why the thumb down? Were you making a comparison? If so it wasn't clear at all.
2007-03-28 01:36:55 · answer #5 · answered by ~Les~ 6 · 0⤊ 1⤋
Simple expansion. Molecules move faster and bounce off of each other as more heat is added. Water in a kettle...add heat and the steam is rising in no time. Or add heat to metal and it readily expands. It's the same with Mercury. The colder it is the more it pulls in on itself.
2007-03-28 01:46:09 · answer #6 · answered by Take me or leave me! 4 · 0⤊ 1⤋
the material in the thermometer (usually mercury) expands in heat and contracts in cold. that's the fundamental principle behind the working of the thermometer
2007-03-28 01:37:34 · answer #7 · answered by maverick_youth 4 · 0⤊ 1⤋
Mercury rises when it is heated...there is some much room in a thermometer that when the mecury is heated...it has no where else to go but up. Mercury expands.
2007-03-28 01:35:25 · answer #8 · answered by Rex P 2 · 1⤊ 1⤋
a thermometer used mercury and mercury works like that,when it gets hot,the mercury will spread and goes up,when it's cold it will shrink and goes down the meter
2007-03-28 01:40:47 · answer #9 · answered by anne 2 · 0⤊ 1⤋
its because there is mercury in the thermometer that reacts to heat and cold and makes the line rise up and down.
2007-03-28 01:33:56 · answer #10 · answered by BabyGurl2011 2 · 1⤊ 2⤋