When a solid reaches the temperature of its melting point, it can become a liquid. For water, the temperature needs to be a little over zero degrees Celsius (0oC) for you to melt. If you were salt, sugar, or rock, your melting point is higher than that of water.
The type of logical fallacy that involves an argument based on the opinion of someone who is no an expert on the topic is Appealing to false authority.
