Nothing? Mormons aren't particularly concerned with measuring the temperature, nor do they have any sacred or special objects related to temperature.

See the related link.

It can be, or it can be a noun. If you say to a waitress: "What is the special today?" It is a noun, but if you say: "Do you have a special meal?" it is an adjective".

Click on the related links, for a list of special quest rewards.

There is no one word for it; it is a special kind of test that measures lung function, as part of a battery of tests to find out why a person is having problems breathing.