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The liquid in a thermometer move up the glass tube when the air temperature?
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What happens when you heat up a liquid particle?
No, heating a liquid makes it's particles move farther apart (makes the liquid expand). This is most readily observed in an old glass thermometer. As your temperature goes up (as you heat the liquid in the thermometer), the liquid inside expands and travels up the thermometer.
Why doesn't the liquid in the thermometer move when you turn it upside down?
Because it doesn't.
How does an air thermometer work?
An air thermometer has a bubble of liquid inside the tube and when the air inside of the tube heats up or cools down, the air takes up either more or less space inside of the tube, causing the bubble of liquid to either move upwards or downwards, indicating the temperature.
How do you take the reading of a thermometer?
After the thermometer has come into thermal equilibrium with the object being measured, the top level of the liquid (mercury or alcohol thermometer) is the temperature. The indicators will often also be colored red on mechanical (coil expansion) thermometers. Digital thermometers should be "locked" at the recorded temperature if the probe is to be removed before viewing, as it may heat or cool even during a very short interval.
Why a liquid is less viscous at high temperature?
When the liquid is at high temperature, the molecules of liquid have more energy & spread further apart. This enables the molecules to move around much more in the liquid which makes it less viscous or fluid.
How does a glass thermometer works?
As the liquid in the thermometer is heated it expands, and the only way the expanding liquid can go is upward. As the liquid in the thermometer cools, it will contract, and the liquid will fall back down into the resevoir, causing the column of liquid to move downward.
What happens when you heat up a liquid particle?
No, heating a liquid makes it's particles move farther apart (makes the liquid expand). This is most readily observed in an old glass thermometer. As your temperature goes up (as you heat the liquid in the thermometer), the liquid inside expands and travels up the thermometer.
What causes the liquid to move in a thermometer?
When the liquid in the thermometer gets warmer it expands.
Why does the liquid in a thermometer move?
It doesn't 'move' exactly, it expands. Originally mercury (a metal in a liquid state at room temperature) was used in thermometers; as the the temperature increases the mercury (or other liquid) expands, taking up more of the volume within the thermometer, causing the level to rise. Thermometers are calibrated to allow the temperature to be measured based on how much expansion has taken place.
When the temperature increases the particles of the liquid inside a thermometer begin to move faster and what else?
Friction of the particles will increase the temperature. This is how a microwave works.
How does a thermometer?
Typical Liquid in Glass Thermometers (air and body temperature)Molecules moving around the thermometer impart energy to the liquid inside, increasing its own energy, or heat. The heat causes the expansion of the liquid, which rises up the tube.The molecules in contact with the thermometer can also absorb energy from the molecules of the liquid, which will cause the liquid to contract, and move down in the tube. (The glass tube has little friction, and the liquid is highly cohesive, so it will "pool" in the reservoir at the bottom when it cools.) The balance between energy absorbed and energy imparted will be achieved when the thermometer liquid is at the same temperature as the measured material, as indicated on the marked graduated tube.Metal Coil Thermometers (thermostats)As with liquid thermometers, the metal winding expands or contracts in response to the energy absorbed from the air or liquid around it. This expansion pushes the end of the metal indicator back and forth in the dial face.
How does a theremometer 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 volume gas thermometer owrk?
Gases expand or contract when heated or cooled. The main part of the thermometer has a 'large' bulb containing a gas connected by a hose to a tube filled with liquid. The expansion or contraction of the gas causes the liquid level to move this indicates the temperature.
Is mercury able to be heated up?
Yes, mercury can be heated up. Heat energy will cause mercury atoms to move more and spread out. This is actually how old thermometers would work. The higher the temperature, the more the particles would move and the more the liquid would expand. This would fill up the glass tube on the thermometer and make it possible to tell the temperature.
Why does the liquid level rise in a theremometer when the temperature is higher?
When the liquid is heated (by the environment), the particles in the liquid have more energy, and start moving around more, which causes the liquid to expand and take up more room. Conversely, in cold temperatures, the particles do not have as much energy, and do not move as much, so the liquid contracts.
What happens to the liquid particles in a thermometer when it is heated?
They expand causing them to move in the only direction available, up the thermometer.
Why doesn't the liquid in the thermometer move when you turn it upside down?
Because it doesn't.
