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 Heating a cooling curves Past papers (heating ad cooling curves) In Progress Lesson 3, Topic 3 In Progress ← Previous Past papers (heating ad cooling curves) Lesson Progress 0% Complete Nov 2012 Q2 (a), (b), (c), (d) Nov 2014 Q2 (a) Nov 2017 Q2