GCSE PHYSICS TOPIC

Particle model of matter

Explore particles, density, changes of state and how heating affects matter.

9 chapters

Start learning

Work through the 9 chapters in order, or choose a chapter you'd like to revisit.

01 Particles and states of matter Compare how particles behave in solids, liquids and gases

02 Understanding density Explore how mass and volume affect density

03 Calculating and measuring density Use the density equation and measure density in practical investigations

04 Changes of state Explore melting, freezing, boiling and other changes of state

05 Internal energy and temperature Discover how heating changes the energy of particles

06 Specific heat capacity Calculate the energy needed to change a material’s temperature

07 Specific latent heat Calculate the energy needed for a change of state

08 Heating and cooling curves Interpret temperature–time graphs and explain their flat sections

09 Gas pressure and temperature Explain gas pressure using particle motion and collisions