Why Should You Never Weigh a Hot Object?

Answer

First, you should not weigh a hot object for safety reasons. Second, the warm air rising from the object creates convection currents that can cause the weight to be displayed inaccurately. Cool weight is more accurate.
Reference:
1 Additional Answer
You should never weigh a hot object for a couple reasons one you would not want to burn yourself in handling it. The other is very important as you will not get a correct reading on weight as it is altered when heated. You can find more information here: http://www.owlnet.rice.edu/˜chem122/equipment.html
Q&A Related to "Why Should You Never Weigh a Hot Object?"
It is first not safe to handle hot objects. Acknowledging this, objects should also not be weighed hot because hot objects emit convection currents that will affect readings on precision
http://wiki.answers.com/Q/Why_never_weigh_a_hot_ob...
Firstly because of safety. Secondly, hot objects radiate heat in convection
http://www.chacha.com/question/why-should-you-neve...
Convection currents will cause the readings to be unstable. This effect can give significant errors.
http://www.kgbanswers.com/why-does-one-never-weigh...
you don't weigh hot items in a delicate chemistry lab balance because the heat causes convective air currents, and the air movement upsets the balance. you know air movement is a
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