Maximum and minimum temperatures are measured using thermometers mounted inside a wooden box with slits, called Stevenson’s screen, which is generally kept facing north. The maximum thermometer is mercury-in-glass — as the temperature rises, the mercury expands and moves freely up a constriction in the thermometer.
In respect to this, how does the six maximum and minimum thermometer work?
Six’s Maximum and Minimum thermometer is a U shaped parallel tube made up of glass. … The bend at the bottom of the thermometer contains mercury which moves up or down based on the expansion and contraction of alcohol. When the temperature rises, the alcohol expands and pushes the mercury up the maximum column.
Besides, what does max and min temperature mean?
MAXIMUM TEMPERATURE: The definition of maximum is the largest number or highest number of something that is permissible or possible. MINIMUM TEMPERATURE: The lowest temperature recorded—diurnally, monthly, seasonally, or annually, or the lowest temperature of the entire record.
What is maximum and minimum temperature class 7?
The highest temperature reached during a day is called the maximum temperature and the lowest temperature during the day is called the minimum temperature. The maximum and minimum temperatures reached during a whole day are recorded automatically by a special thermometer called Maximum-and-Minimum thermometer.
What is the difference between minimum and maximum temperature called?
The difference between the maximum and minimum temperature in a day is called the range of temperature.
What is the range of maximum minimum thermometer?
Registers maximum and minimum temperatures in both °C (range: −40 to 50° with 1° divisions) and °F (range: −40 to 120° with 2° divisions).
What is the use of maximum and minimum thermometer Class 7?
The maximum thermometer is a thermometer that records the highest temperatures reached during a period of time, whereas The minimum thermometer is a thermometer that records the lowest temperature reached during a period of time.
What is the use of minimum thermometer?
minimum thermometer A thermometer that records the lowest temperature to which it has been exposed (e.g. by allowing a fall of mercury past a restriction in the tube, but preventing the mercury’s return on expansion). It is most commonly used to record minimum daily temperatures.
What is the use of six maximum and minimum thermometer?
Six’s maximum and minimum thermometer is a registering thermometer which can record the maximum and minimum temperatures reached over a period of time, for example 24 hours. It is used to record the extremes of temperature at a location, for instance in meteorology and horticulture.
Why is alcohol used in a maximum and minimum thermometer?
The alcohol contracts and pushes the mercury to the minimum temperature recorded in the day, which keeps the mercury in its position. This way, the two readings in the two bulbs of the thermometer give the readings of the maximum and minimum temperature during the day.