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Classifying Matter - Coggle Diagram

- - - - particles are packed tightly together. close proximity means that the force of attraction between particles is very strong. This is why the particles cannot move freely in solids, instead vibrate in place.
    - - in liquids, particles are held together by forces of attraction. As particles aren't as close together as in solids, the attractions in liquids aren't as strong as in solids. this means that particles don't vibrate in a fixed position but move freely. The arrangement of particles are packed closely together but can still move about and slide over one another.
      - Gravity pulls the liquid into the shape of the container
    - - particles in a gas are in constant motion because they have much more energy than those in solids or liquids. The attraction between gas particles is weak because they are very far apart, so the particles spread out to take the space available
  - - - Physical Properties-can be observed and measured without changing the substance into something else
        
        colour
        
        texture
        
        boiling point
        
        density
        
        conductivity
      - Chemical Properties-can be observed or measured by changing the identity of the substance
        
        bubbling
        
        permanent colour change
        
        permanent change of state
- - - - the particles in hard substances are held together by strong forces
- - - - Diffusion occurs fastest in gasses
      - The particles in gases are moving freely and quickly and there's plenty of space
    - - Particles in a liquid don't move very far or very fast
      - The particles jostle against each other and don't move far before colliding with other particles
    - - Diffusion doesn't happen in solids
      - The particles vibrate, but can't move to a new location
    - - because the higher temp, particles have more kinetic energy, which leads to increased movement and collisions
      - as a result, rate of diffusion, which is the movement of particles from an area of high concentration to an area of low concentration, is accelerated at higher temps
      - as temp increases, rate of diffusion also increases
      - perfume particles make their way through the air in a zig-zag motion, in straight lines but changing directions whenever it collides with air particles