Six maximum and minimum thermometers limitations
Answers
It does not make wet the wall of its place. .It can measure the temperature quickly and precisely. The thermometer records a daily maximum and minimum temperature for reference
Answer:
The word thermometer comes from the word thermos meaning warm and meter meaning measuring device. Etymologically, the thermometer is a device used to measure the temperature appropriate and express it by a number.
Thermometer is commonly made of a glass tube which is filled with liquids. The liquids are used as a thermometer filler, because the liquids undergo the change in volume if the temperature changes.
The Superiorities or the advantages of Mercury:
1.It is visible, because its colour is silvery shinning.
2.Its expansion is regular.
3.It does not make wet the wall of its place.
4.It can measure the temperature quickly and precisely.
5.The thermometer records a daily maximum and minimum temperature for reference.
6.They are cheap, easy to read, can be submerged in liquids, require very little maintenance and are reliable.
The Weaknesses or the disadvantages of Mercury:
1.It cannot measure very low temperature, because its freezing point is high (-40ºC)
2.Mercury is poisonous, so it harmful if its tube is broken.
3.Its price is very high.
4.display is harder to read
5.cannot be used for thermograph
6.slow response
7.fragile