CLARITY | CONFIDENCE | CURIOSITY
Particle Model
Discover how the particle model explains density, changes of state, internal energy, pressure and gases.
Lessons
Explore the lessons below to build your knowledge and confidence across this topic. Each lesson breaks the physics down into clear, manageable steps, with explanations, practice and exam-focused activities to help you understand the key ideas and apply them successfully.
Density
01
Explore density and compatible units and density, mass or volume.
Density Required Practical
02
Explore mass and volume measurements and regular, irregular and liquid density methods.
States of Matter
03
Explore particle arrangement in solids, liquids and gases and motion in each state.
Changes of State
04
Explore names of changes of state and particle and energy changes.
Internal Energy
05
Explore particle kinetic and potential energy and internal-energy changes during heating.
Specific Heat Capacity
06
Learn about specific heat capacity, practise the key ideas and apply them to GCSE Physics questions.
Specific Latent Heat
07
Explore specific latent heat and its units and state-change energy.
Heating and Cooling Graphs
08
Explore slopes and plateaus on heating graphs and stages of a heating or cooling curve.
Gas Pressure and Temperature
Explore the particle cause of gas pressure and pressure changes at fixed volume.