Rates of Reaction - Surface Area & Concentration Effects on Rate – Required Practical 3.15

Edexcel IGCSE Chemistry – Unit 3 Complete Bundle (Paper 1 & 2)

## Edexcel IGCSE Chemistry – Unit 3 Complete Bundle (Physical Chemistry) **Energy Changes, Reaction Rates, Reversible Reactions & Required Practicals** **Lessons, Worksheets, Practicals, Teacher Notes, Mark Schemes** This Synapse Science bundle contains all lessons, worksheets, required practicals, and teacher materials for **Unit 3 – Physical Chemistry** of the Edexcel IGCSE Chemistry specification. It includes content for both **Paper 1 (Core)** and **Paper 2 (Triple)**, with clear differentiation and scaffolded tasks throughout. Every resource is fully editable, visually clean, and built for direct classroom use or independent revision. --- ## 🔢 Lessons in Specification Order (Unit 3 – Physical Chemistry) ### **Energy Changes** - **Exothermic & Endothermic Reactions – Lesson, Worksheet & Practical** - **Enthalpy & Calorimetry – Lesson & Worksheet** - **Temperature Changes in Reactions – Required Practical 3.8** ### **Energy Diagrams & Bond Energies** - **Energy Level Diagrams & Bond Energy – Lesson & Worksheet** ### **Rates of Reaction** - **Rates of Reaction – Lesson & Worksheet** - **Rates of Reaction – Required Practical 3.15 (Surface Area & Concentration)** ### **Catalysts** - **Catalysts – Lesson, Required Practical & Worksheet** - **Effect of Catalysts on Rate – Required Practical 3.16** ### **Reversible Reactions** - **Reversible Reactions – Lesson, Worksheet & Practical** ### **Dynamic Equilibrium** *(Triple / Paper 2 only)* - **Dynamic Equilibrium – Lesson & Worksheet** --- ## 📦 What’s Included - 12 full teaching resources - Editable PowerPoint lessons - Printable and digital student worksheets - Required practicals with teacher & technician notes - Exam-style questions and model mark schemes - Graphing and analysis tasks - Consistent Synapse Science design throughout --- ## 🎯 Ideal For - Edexcel IGCSE Chemistry – Unit 3: Physical Chemistry - Full delivery of Paper 1 and Paper 2 (Triple) content - Teachers seeking a complete, low-prep scheme - Revision, assessment prep, or flipped learning --- ## Keywords Edexcel IGCSE Chemistry, Unit 3 Bundle, Physical Chemistry, Energy Changes, Rates of Reaction, Reversible Reactions, Dynamic Equilibrium, Required Practicals, Worksheets, Synapse Science, Triple Science, Lessons, Mark Schemes