This video explores some common examples of how humans use physical changes of state for many purposes.

This video explains how substances can expand or contract with changes in temperature, highlighting water's unique behaviour and its implications.

This video explains what happens when water on Earth changes state, exploring latent heat and the water cycle.

This video explains how matter transitions between solid, liquid, and gas states through heating or cooling, illustrating processes with clear explanations, diagrams, and everyday examples.

This video provides clear explanations, easy-to-understand diagrams, and everyday examples to introduce viewers to the differences between solids, liquids, and gases based on the particle model of matter.