Particle Model

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  • In the particle model we imagine that all bodies are made up of the smallest particles, such as small balls.
  • In the particle model we imagine that all bodies are made up of the smallest particles, such as small balls.
  • Like any model, this is a simplification of reality that, however, allows many phenomena to be well explained.
  • In this slideshow, the balls are colored differently to be able to track the movement.
  • In the aggregate state solid the particles are close together. They occupy fixed places and can only swing around them.
  • When the body heats up, the state of aggregation changes to liquid, allowing the particles to leave their fixed places.
  • They move faster and the distances between particles increase.
  • Liquid bodies always form a surface.
  • The warmer the body, the easier it is for individual particles to penetrate the surface.
  • In the physical state of gaseous all particles move freely, they occupy the available space completely.
  • The particles are now the fastest, the distances between them the largest.

 

Animation:

 

Animation (in 3D):