What is latent heat?
It is heat that is not sensible to the touch, or to the thermometer.
When water is made to boil, what change takes place?
The water is changed into steam.
How many degrees of heat are necessary to change water into steam?
More than nine hundred degrees of heat are necessary.
How many degrees of latent heat in steam?
More than nine hundred degrees of latent heat.
When steam is changed back again to water, what becomes of the latent heat?
It passes off to the air and the surrounding objects, and makes them warmer.