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A thermometer is not kept in direct sunlight because the temperature needed to be recorded by the thermometer is of the air and not the rays of the sun.

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14y ago
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12y ago

Air temperature is taken in the shade because sunlight falling on the instrument, the thermometer, can cause the reading to be incorrectly high.

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Q: Why is it best to take temperature readings in the shade?
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Where do you need to be when you take the temperature outdoors?

in a shade


How much shade does it take to change the temperature?

There is no straight forward answer for this, Newton described this in his Law of Cooling. The rate of cooling (change in temperature) is proportional to the difference in temperature. Here is an example, let's say you shade a area on the ground, when you remove the shade and expose it to the sun, the rate of cooling will be rapid at first because the difference between the shaded area and the sun's radiative temperature are greatest. Then the temperature will begin to level off as the two temperatures begin to reach an equilibrium.


When is the best time of the day to take an body temperature?

when is the best time of the day to take an baby body temperature?


What do Cardiographer do?

Take readings of people hearts.


In a airplane without alitmeterhow do you know when you are approaching the troposphere?

Most planes fly in the troposphere anyway but without an altimeter you could take temperature readings as those vary by altitude.


How long to take an oral temperature?

The best time to take temperature is right when you wake up. This is because your body has not been doing anything that might raise temperature yet.


Ways to take the temperature of a fire?

The best method is to use a pyrometer.


What is the best way to take a temperature if a patient has hypothermia?

taking it rectally


What is best ac temperature corsa 1.6?

as close to the air temperature outside. then no cooling or heating of air has to take place


What is the best way to take temperature on a newborn?

digital thermometer is the best way to take temperature of newbornaxillary temperature taking has advantage over rectal(rectal temperature taking is contraindication in infant less than one month or premature)oral temperature(oral temperature is contraindicated for child less than 2 year old) and tympanic tempereture(tympanic temperature is contraindicated in draining ear or premature infant of small ear canal).


Why is it necessary to take more than one readings in an experiment?

Basically, so that if one reading is skewed due to human error or other, then there will be other readings to compensate.


Why taking the temperature of melting ice using data logger and laboratory thermometer different?

Its essentially the same thing, temperatures are being recorded with time. The data logger automatically takes the temperature readings at a given time step, and the data can then be uploaded easily and manipulated. More readings can be taken at smaller increments, and over long periods of time without the need for constant observation. Taking the readings manually with a thermometer may introduce more human error, and will generally take more effort and concentration. Either method is good though, though there are some disadvantages and advantages to both.