We must not confuse the properties between matter and particles.
Three ways
1. The matter may be coloured but the particles are not. It is due the the wavelength produced by the particles when it is vibrating give the colour. Now I'm teaching physics lol. Different colours travels at different speed. That is why particles vibrate at different speed to give different colours. THIS HAS NOTHING TO DO WITH THE CHANGES IN STATE OF MATTER.
2. The substance that we feel hot or cold doesn't mean that the particles are hot or cold. This is because the speed that the particles have high energy that is why the particles are hot. If the particles have low energy it will be cold.
3. Whenever matter expands, the particles of the matter only increases it doesn't expand.
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