decreases over a period of time and is lost. increases and the particles move apart. causes the particles to move closer together. is converted into potential energy.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: An ice cube melts on a hot summer day because the energy of the particles
Possibilities:
- decreases over a period of time and is lost.
- increases and the particles move apart.
- causes the particles to move closer together.
- is converted into potential energy.

increases and the particles move apart.