States of Matter – Lesson & Worksheet – Unit 1 – IGCSE Chemistry
Particle Arrangements, Interconversions & Energy Changes
This Synapse Science resource provides a comprehensive and structured lesson for States of Matter, fully aligned with the Edexcel IGCSE Chemistry Unit 1 specification. It helps students master the properties of solids, liquids, and gases, as well as how substances change state through melting, boiling, condensing, and freezing.
The lesson follows a clear flow from introduction to review, supported by scaffolded tasks, visual explanations, and a graded worksheet for assessment.
TOPICS COVERED – SPECIFICATION POINTS
- 1.1 Understand the three states of matter in terms of the arrangement, movement, and energy of the particles
- 1.2 Understand the interconversions between the three states of matter in terms of the names of the interconversions, how they are achieved, and the changes in arrangement, movement, and energy of the particles
WHAT’S INCLUDED
- Editable PowerPoint lesson with particle diagrams, keywords, and guided examples
- Printable and digital-compatible worksheet with visual and written tasks
- Grading rubric built into the worksheet for tracking student progress
- Answer key slides provided for review or self-assessment
- Extension questions for homework or extra challenge
KEY FEATURES
- Clear lesson flow: Starter → Theory → Activities → Review
- Visual, student-friendly formatting ideal for use on shared or individual devices
- Focused learning objectives and guided questions on each slide
- Suitable for 1-hour delivery, with optional extension or homework use
- Consistent Synapse Science formatting across the lesson and worksheet
KEYWORDS
Edexcel IGCSE Chemistry, States of Matter, Particle Theory, Changes of State, Solid Liquid Gas, Melting, Boiling, Freezing, Condensing, Synapse Science, Lesson, Worksheet, Unit 1
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