Lots of cold water as quickly as possible.
In case the surface is hot, you wont burn your palm, and will still be able to use your hand.
You should use a long-handled wooden spoon or utensil to stir hot soup.
One uses heat-proof utensils to stir foods that are cooking. Wooden spoons and spatulas have been used for many centuries because they are durable and their handles remain cool to the touch. Metal utensils with heat-proof handles are also popular and durable. In recent decades, silicon utensils have become increasingly popular.
Once it not hot anymore. You do not want to refrigerate it when it is hot on account of the different temperatures making extra moisture in the soup from condensation resulting in more liquid and sometimes not as nice soup.
Wooden handles do not get hot and burn your hand.
Well, not only three that i know... Keeping a spoon in a boiling pot of water and waiting 5 minuites and touching it again can burn your hand. the heat transfered from the water to the spoon and now the spoon in hot.
A spoonful of soup contains hot water and other stuff from the soup ... it has a very high Specific Heat and will retain that heat longer, thus burning your mouth. The hot dinner roll is loaded with air, thus will cool rather quickly.
An example of a site of a burn could be the forearm or hand from accidentally touching a hot surface.
Yes, you should cover it.
put your hand in cold water
Hot soup is a form of thermal energy because it is in the form of molecular motion due to its temperature. Mechanical energy, on the other hand, is the energy associated with the motion and position of an object.
A wooden spoon is better for stirring hot soup because it doesn't conduct heat as much as a metal spoon, so it stays cool to the touch. Additionally, wooden spoons are less likely to scratch or damage the surface of your cookware.