Year 8 Science · Unit 3

Change

Investigate physical and chemical changes in matter using the particle model. Explore evidence of reactions, conservation of mass, and how change affects everyday materials and natural systems.

Stage 4 15 Lessons 3 Checkpoints Unit Quiz

Lessons

Block A — Types of Change (L01–L05)

01What Is Change in Matter? 02Physical Change vs Chemical Change 03Particle Model of Physical Change 04Evidence of Chemical Reactions 05Change Synthesis and Checkpoint 1 Preparation

Block B — Processes of Change (L06–L10)

06Heating, Cooling and Change of State 07Dissolving, Solutions and Separating Mixtures 08Conservation of Mass in Changes 09Reactions in Everyday Life 10Investigating Change Safely

Block C — Modelling and Applying Change (L11–L15)

11Variables in Change Investigations 12Collecting and Interpreting Reaction Data 13Modelling Chemical Change 14Change in Natural and Human Systems 15Unit Synthesis and Depth Study Preparation

Checkpoints & Assessment

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Checkpoint 1
Lessons 1–5
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Checkpoint 2
Lessons 6–10
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Checkpoint 3
Lessons 11–15
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Unit Quiz
Full unit cumulative assessment