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it expands
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What happens to the liquid in a thermometer when it is heated?
it expands
What happens to a liquid in a thermometer when it is heated?
it expands
What happens to the liquid in the thermometer when it is heated?
it expands
What happens to the liquid particles in a thermometer when it is heated?
When a thermometer is heated, the liquid particles gain energy and move faster, causing them to spread out and rise in the thermometer's tube. This expansion of the liquid column indicates an increase in temperature on the thermometer scale.
What do most substances like the liquid in a thermometer do when they are heated?
expand
What is the liquid mercury in a thermometer expands as its heated what is this a?
physical change
What will happen if a liquid is heated?
It will evaporate.
What is liquid rising in a thermometer as temperature increases is an example of?
This is an example of thermal expansion, where the liquid in the thermometer expands as it is heated, causing it to rise within the tube.
Which instrument makes use of the fact that most liquids expand when they are heated?
A thermometer utilizes the fact that most liquids expand when heated. As the temperature of the liquid inside the thermometer increases, its volume expands, causing the liquid to rise within the narrow tube of the thermometer and indicating a higher temperature reading.
Why does the liquid expand in a thermometer when it gets hotter?
The liquid in a thermometer expands when it gets hotter because heat causes the molecules in the liquid to move faster and spread out, leading to an increase in volume. This expansion is what causes the liquid to rise up the tube of the thermometer, indicating a higher temperature.
How does the heat reach the thermometer in the heated beaker?
Heat reaches the thermometer in the heated beaker primarily through conduction and convection. As the beaker is heated, the water molecules gain energy and transfer that energy to the thermometer through direct contact. Additionally, as the warmer water rises and cooler water descends, convection currents help distribute heat throughout the liquid, ensuring that the thermometer accurately reflects the water's temperature. This process allows the thermometer to register the temperature of the liquid efficiently.
What was the first liquid used in a thermometer?
The first liquid used in a thermometer was likely alcohol, specifically ethanol. Alcohol has a low freezing point and a wide range of expansion when heated, making it suitable for use in early thermometers.
