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Q: When a thermometer is warmed up why does the dye rise up?
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Why does the substance in the thermometer stem rise up?

The substance in the thermometer (traditionally mercury (Hg)) rises up because of thermal expansion. As the substance heats up, it expands.


How does thermometer liquid?

When temperature goes up the liquid expands. The liquid then takes up more space and you see this as a rise in scale on the thermometer. The same applies vise versa


Why does a thermometer rise up when its hot?

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.


What makes mercury go up and down a thermometer?

the heat and temperature that causes it to rise and fall.


How does liquid thermometer work?

When temperature goes up the liquid expands. The liquid then takes up more space and you see this as a rise in scale on the thermometer. The same applies vise versa


How does a liquid thermometer works?

When temperature goes up the liquid expands. The liquid then takes up more space and you see this as a rise in scale on the thermometer. The same applies vise versa


Why does the Temperature gauge in a 2003 Volkswagen GTI rise and fall after the car is warmed up?

You need to replace temperature sensor


Why does alcohol in a thermometer rise?

Alcohol in a thermometer rises whenever the temperature of its surrounding increases. As the temperature increases, the heat causes the alcohol to expand ever so slightly, which shows up as an increase of height of the alcohol in the tube of the thermometer.


This morning, the temperature outside was -2 degrees. As the sun began to rise, the temperature warmed up 6 degrees. What was the new temperature outside?

4


Why does the temp not change as water is warmed up?

If water is warmed up, then that means that its temperature does change.


What Happens when you heat up a thermometer with your hands?

If you hold a thermometer close to you it will start to heat up. Your body temperature will start affecting it and the heat reading on it should start to rise. Once you pull it away from you (depending on the temperate of where you are) it should start to cool off again.


Why the reading of thermometer is taken when the mercury stop expanding?

The mercury will expand and rise up the thermometer tube until it reaches the temperature of the air around it. When it stops expanding, it is the same temperature as the air, and therefore gives an accurate reading.