Back to Course Cambridge IGCSE 2023 0% Complete 0/0 Steps States of matter States of matter 3 Topics The three states of matter The particle model Past paper questions (states of matter) Changes of state 5 Topics Changing state Boiling and evaporation The effect of temperature and pressure on particles Explaining changes of state (S) Past papers (changes of state) Heating a cooling curves 3 Topics Change of state and temperature change Heating curves Past papers (heating ad cooling curves) Movement of particles 4 Topics What id diffusion ? Rate of diffusion and molecular mass The effect of pressure and temperature on particles Diffusion past paper questions Cambridge IGCSE 2023 Movement of particles Diffusion past paper questions In Progress Lesson 4, Topic 4 In Progress ← Previous Diffusion past paper questions Lesson Progress 0% Complete Nov 2012 Q3 Nov 2014 Q3 (a),(b), (c) May 2015 Q6 (c)