Complete GCSE Physics lesson on energy and changes of state, with PowerPoint, scaffolded worksheet and assertive monitoring teacher sheets.

A ready-to-teach Dr B Science CP12b: Energy and Changes of State lesson, designed for Pearson Edexcel GCSE Combined Science and easily adaptable for other GCSE specifications.

The lesson uses a structured I Do → We Do → You Do approach with frequent checks for understanding, Show Me Boards, Cold Call, guided practice and independent application.

Covers:
Temperature vs thermal energy
Factors affecting thermal energy stored
Particle movement and attractive forces
Melting and boiling
Why temperature remains constant during changes of state
Heating and cooling curves
Specific heat capacity
Specific latent heat
Fusion vs vaporisation

The lesson focuses on conceptual understanding rather than calculations, helping pupils explain changes of state using the particle model.

Included:
Complete lesson PowerPoint which includes detailed teacher notes
Scaffolded You Do worksheet with sentence starters, word banks, graph practice and stretch tasks
3 assertive monitoring teacher sheets
Live marking codes for rapid feedback
Clear success criteria showing teachers exactly what to look for
Monitoring routes to prioritise key misconceptions
Responsive teaching thresholds for whole-class reteach, targeted pause or individual intervention
Retrieval Do Now
Explicit vocabulary teaching
Exit ticket

The assertive monitoring sheets make it easy to circulate during independent practice, quickly identify gaps and give precise feedback using simple codes rather than lengthy written comments.

Ideal for Year 10/11 GCSE Combined Science, mixed-attainment classes, adaptive teaching, lesson observations and teachers developing explicit instruction, checking for understanding and assertive monitoring.