* Expansion: Solids, liquids, and gases all expand when heated because the particles are moving further apart.
* Changes in state: Heating can cause a substance to change state from solid to liquid (melting) or from liquid to gas (boiling). This is because the increased kinetic energy overcomes the attractive forces between the particles, causing them to separate further.
* Increased pressure: In a confined space, the increased movement of particles due to heating will exert more pressure on the container walls.
In summary, heating particles causes them to move faster and further apart, decreasing their closeness.
