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Why does the liquid expand in a thermometer when it gets hotter?

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2011-03-01 01:40:43
2011-03-01 01:40:43

In a thermometer is a liquid metal called Mercury, so the liquid expands when it is heated up.

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The liquid expand from heat. We use these expansion to indicate temperature. Common thermometer liquid is Mercury and alcohol.

The liquid expands and since the only place for it to go is up it starts to fill the tube

The liquid contained within he thermometer's tube expands with heat, or contracts with cold. This is shown by the length of liquid in the tubing.

When the liquid in the thermometer gets warmer it expands.

a liquid thermometer is made with a glass "shell" and ussually have murcur inside them that dilates when it gets hotter and rises and contracts when its colder and lowers- this has been made by a 12 year old boy

MOST matter expands as it gets hotter.

if you put water in a thermometer and it gets hot the water expands and might and burst and when it gets to cold it freezes

liquid expands as it gets warmer

OK basically depending on what thermometer. the glass tube is filled with either alcohol or Mercury. and when it gets hotter, the liquid expands and takes up more space inside the tube. and colder.......the liquid compacts and moves down the tube.....and it's taken years to calabrate the markings on the tube to show the correct reading.

Because it is just a standardised and easy way of making thermometers. You could use any substance, the pricible is the same: A substance will expand the hotter it gets. Mercury just expands a lot more than most elements and so is easier to make a thermometer.

The only way that the mass can change is if matter is added or taken away. The volume of a liquid can increase if heated, such as the liquid inside of a thermometer. The thermometer is sealed and no liquid gets in or out, so the mass of the liquid is unchanged. But when the temperature goes up, the liquid expands and is forced to go up the thermometer.

Usually when a thing gets hot, it expands. The liquid in the thermometer gets hot, and expands, so it takes up more room in the tube.

No. Most materials expand when they get hotter. A notable exception is water between 0 and 4 degrees centigrade.No. Most materials expand when they get hotter. A notable exception is water between 0 and 4 degrees centigrade.No. Most materials expand when they get hotter. A notable exception is water between 0 and 4 degrees centigrade.No. Most materials expand when they get hotter. A notable exception is water between 0 and 4 degrees centigrade.

Mercury, like most substances, expands when it gets hotter and contracts when it gets colder. A mercury thermometer is designed so that the volume of the mercury can be accurately observed, as the mercury rises or falls in a marked column.

The gaps allow the steal to expand as the day gets hotter, and prevent the steal from buckling.

When the liquid in the thermometer gets warmer it expands. This means its volume increases. The only place for the extra volume to go is up the tube, so the level of liquid rises. When the liquid gets colder it contracts (reduces in volume) so it moves back down the tube. See http://www.energyquest.ca.gov/how_it_works/thermometer.html

They usually expand and when the temperature gets high enough, turns to liquid.

plastic does heat up because the particles in the plastic bag gets hotter the particles expand and turn warm

Yes. Pretty much every material expands when it gets hotter. Steels expand moderately, around 10-15 parts per million per degree Celsius.

No. The asthenosphere is hotter. The deeper you go, the hotter it gets.

When air gets hotter, or when any gas gets hotter, it expands. This means its density will decrease; therefore, cooler (and heavier) air will push it up.When air gets hotter, or when any gas gets hotter, it expands. This means its density will decrease; therefore, cooler (and heavier) air will push it up.When air gets hotter, or when any gas gets hotter, it expands. This means its density will decrease; therefore, cooler (and heavier) air will push it up.When air gets hotter, or when any gas gets hotter, it expands. This means its density will decrease; therefore, cooler (and heavier) air will push it up.

Physical weathering can happen in different ways. The minerals in a rock expand if it gets hotter and contract if it cools. These changes can produce STRONG forces.

metal gets hotter because of the sea of electrons; electrons are moving freely, therefore, metal gets way hotter than wood

That's all about temperature. The hotter it gets, the Ice (solid water) turns to, well, water (in liquid) then it vaporizes into water vapor. (in gas)


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