The Particle Nature of Matter · Physical Science

Properties and States of Matter

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

Key Questions

  1. 1What would happen if the particles in a solid suddenly started moving like those in a gas?
  2. 2How do we know that air is made of matter even though we cannot see it?
  3. 3Why do different substances have unique melting and boiling points?

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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Physical and Chemical Changes

Distinguishing between reversible changes of state and irreversible chemical reactions.

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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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