This engaging PowerPoint lesson introduces students to the role of catalysts in chemical reactions, focusing on their definition, function, and real-world applications. Perfectly suited for secondary school chemistry classes, the resource combines clear explanations with practical examples to build a thorough understanding of this essential concept. What’s Included: Learning Objectives: Define a catalyst. Describe how adding a catalyst affects the rate of reaction. Use a reaction profile diagram to explain in detail the effect of adding a catalyst. Starter Activity: Questions to recap basic knowledge, such as what a catalyst is, whether it changes products, and how it affects activation energy. Video Integration: Link to a video explaining catalysts, with guided questions to enhance understanding of industrial processes like the Haber and Contact processes. Key Concepts: How catalysts provide an alternative reaction pathway with lower activation energy. Examples of catalysts in real life: enzymes, catalytic converters, and industrial reactions. Discusses the cost-efficiency and environmental benefits of using catalysts, such as reduced energy requirements. Interactive Activities: Examining reaction profile diagrams and labeling key features. Why Choose This Resource? Aligned with secondary school chemistry curricula, ensuring clarity and relevance. Includes practical, exam-style questions to reinforce learning and assess understanding. Perfect for guided lessons, student-led investigations, or revision sessions. File Type: PowerPoint (.pptx) Updated: December 2024 – Added real-world examples and enhanced visuals for better engagement. Equip your students with the knowledge and skills to understand and apply the principles of catalysts in chemistry, making learning both fun and impactful!