The Particle Nature of Matter · Physical Science

Physical and Chemical Changes

Distinguishing between reversible changes of state and irreversible chemical reactions.

Key Questions

  1. 1What causes a new substance to form during a chemical reaction?
  2. 2How can we prove that matter is conserved when a candle burns away?
  3. 3Why do some changes happen instantly while others take years?

Ontario Curriculum Expectations

ON: Matter and Energy - Grade 5
Grade: Grade 5
Subject: Science
Unit: The Particle Nature of Matter
Period: Physical Science

Suggested Methodologies

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Properties and States of Matter

Exploring how particles behave in solids, liquids, and gases and how we measure their characteristics.

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Mixtures and Solutions

Investigating how substances combine and the methods used to separate them based on physical properties.

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