Why is it water has a high heat of fusion?

Question

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Answer 1

loook up in this site:

www.wikepedia.org

Answer 2

I am sure you are familiar with the structure of water.

The structure of water makes it difficult for dipoles to interact without causing repulsive forces. This is also due to hydrogen bonding, which is well worth reading up on. Hence in order for them to be forced together into some crystalline form, there is a high energy requirement. Hence higher heat of fusion, as it is called.

Answer 3

Cooling water (dropping its temperature) merely slows down the vibrations of the water molecules.  Freezing water (at a constant temperature of 32F) must remove enough energy (heat of fusion) for the water molecules to make 'contact' and form chains or crystals.