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thermometer
The alcohol or mercury reservoir at the bottom end.
what do they use for the liquid in glass ball thermometer
A so-called "glass" thermometer has a small bore-hole in the center of the glass that has some liquid in it. It's the activity of the liquid in the narrow hole that makes the thermometer a thermometer.
The capillary tube of the thermometer ( in case of a mecury thermometer).
The ocean floor is the thinnest part.
thermometer
The alcohol or mercury reservoir at the bottom end.
what do they use for the liquid in glass ball thermometer
thermometer
Mercury is poisonous.
A so-called "glass" thermometer has a small bore-hole in the center of the glass that has some liquid in it. It's the activity of the liquid in the narrow hole that makes the thermometer a thermometer.
The capillary tube of the thermometer ( in case of a mecury thermometer).
mercury
-- Bring thermometer into room. -- Wave it around in the air of the room for a minute or two. -- Do not hold the thermometer in your hand or breathe on it. -- Wait a while for the room temperature to get through the thermometer glass. -- Look through the glass at the sliver of liquid inside the thermometer. Find the end of the liquid, and see what number is marked on the glass at the same level. That number is your room temperature.
By using glass.
For a classic thermometer: glass and mercury, colored ethanol or another liquid.