Particle Model Of Matter 0.0 / 5 ? PhysicsParticle Model Of MatterGCSEAQA Created by: Eve AngusCreated on: 01-01-19 12:00 Density How compact a substance is and it is measured in kilograms per metres squared 1 of 19 Solid A state of matter that has strong forces of attraction and it's particles are in a fixed and regular arrangement 2 of 19 Liquid A state of matter that has weak forces of attraction and it's particles are in a flexible and irregular arrangement 3 of 19 Gas A state of matter that has very weak forces of attraction and it's particles are in a loose and irregular arrangement 4 of 19 Required Practical - Density of a Solid You can investigate the density of a solid by measuring the water displaced from a eureka can after dropping a solid into it 5 of 19 Required Practical - Density of a Liquid You can investigate the density of a liquid by measuring the mass of a specific volume of water 6 of 19 Internal Energy The total kinetic and potential energy of particles in a system 7 of 19 Freezing Changing state from a liquid to a solid 8 of 19 Evaporating Changing state from a liquid to a gas 9 of 19 Melting Changing state from a solid to a liquid 10 of 19 Condensing Changing state from a gas to a liquid 11 of 19 Sublimating Changing state between a solid and a gas 12 of 19 Physical Change A change where you end up with the same substance but in a different form 13 of 19 Chemical Change A change where you end up with a different substance due to a chemical reaction that took place 14 of 19 Specific Latent Heat The amount of energy needed to change one kilogram of a substance from one state to another without changing the temperature 15 of 19 Specific Latent Heat of Fusion Changing between a solid and a liquid 16 of 19 Specific Latent Heat of Vaporisation Changing between a liquid and a gas 17 of 19 Gas Pressure The force that a gas exerts on the walls of its container 18 of 19 Gas Constant When volume increases pressure decreases because they are inversely proportional 19 of 19
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