When there is going to be a frost in Florida, farmers will spray their crops with water before the frost hits thereby preventing the fruit from freezing. Explain why this helps to save the fruit.

Answer 1

When water freezes, heat is released. So, as long as the water on the fruit is in the process of freezing, heat will be released thus protecting the fruit. However, if the water on the fruit freezes completely, and then evaporation begins, this will be bad for the fruit as the temperature will drop.