Question: What is the term for the energy required to change a substance from solid to liquid at its melting point?

Options:

1. Latent heat of fusion
2. Latent heat of vaporization
3. Specific heat
4. Thermal energy

Correct Answer: Latent heat of fusion

Solution:

The energy required to change a substance from solid to liquid at its melting point is called the latent heat of fusion.