Particle Model of Matter

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An overview of what you need to know for GCSE AQA physics topic 3. Please rate and comment so I can improve these resources for people to use in the future, thanks :-)
Brodie McMeowface
Mind Map by Brodie McMeowface, updated more than 1 year ago
Brodie McMeowface
Created by Brodie McMeowface over 6 years ago
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Resource summary

Particle Model of Matter
  1. Explains the three states of matter
    1. Solid
      1. Fixed, regular arrangement
        1. High density
          1. Vibrate slightly
          2. Liquid
            1. Particles can move past each other easily
              1. Less dense
                1. More energy than solids
                2. Gas
                  1. Free to move independantly
                    1. low density
                      1. high energy
                    2. Density
                      1. Density = mass/volume
                        1. you can measure density by measuring water displacement with a eureka can then using the displaced water as your volume for the object
                        2. Internal energy
                          1. Internal energy is the energy the particles have as a combination of their kinetic and potential energy stores
                          2. specific latent heat
                            1. energy goes into breaking bonds instead of increasing temperature
                              1. The energy needed for 1 kg of a substance to change state
                                1. Energy = mass * specific latent heat
                                2. Pressure and gasses
                                  1. When gasses collide with a container, pressure occurs as the net force pushes outwards
                                    1. Pressure and volume are inversely proportional at a constant temperature

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