> He will never get this. This will be claimed as religion and cartoons.
The difference between temperature and heat is quite easy to test, anyone can do it easily for themselves. Here is a preactical experiment: I suggest getting a large saucepan, put say 8 litres of cold water in the saucepan, and then try to boil the water using the quite hot flame of a single birthday candle.
Hurricane Lenny ("Wrong way Lenny")
There's one. You can find more on the internet with great ease if you take a quick look.