This resource provides a comprehensive lesson for** States of Matter**, specifically aligned with the Edexcel IGCSE Chemistry curriculum - Unit 1, supporting students in mastering key concepts through a structured and engaging approach. Clear Lesson Flow: Follows a logical progression of Starter - Theory - Activities - Review to solidify understanding. Interactive & Student-Centric Slides: Engaging visuals and digital compatibility make lessons accessible on student devices. Targeted Learning Objectives: Key concepts and guiding questions are emphasized on each slide to focus learning. Flexible Lesson Timing: Built as a 1-hour lesson, with options for extended learning and homework opportunities. Graded Worksheet Included: A supporting worksheet with a grading rubric is provided for assessment and tracking progress. Answer Keys Included: Separate slides for answer keys support both review and self-assessment.