Question

using the particulate nature of matter, why does the volume of an iron rod increase when it is heated.

Answer 1

Answer:

"Heat causes the molecules to move faster, (heat energy is converted to kinetic energy ) which means that the volume of a gas increases more than the volume of a solid or liquid."'

Answer 2

Answer:

Heat causes the molecules to move faster, (heat energy is converted to kinetic energy ) which means that the volume of a gas increases more than the volume of a solid or liquid