Solids, Liquids & Gases
Compare and group materials as solids, liquids, or gases based on their observable properties and behaviour
Typical age: 8–9 years
“Can your child explain the difference between a solid like ice, a liquid like water, and a gas like steam, and sort everyday things into these three groups?”
0 / 3 mastered
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Needs first
- States of Matter VocabularyREQUIRED
Comparing and grouping materials as solids, liquids, or gases requires the naming vocabulary for the three states
- Drawing Particle DiagramsREQUIRED
Comparing and grouping solids, liquids, and gases by properties is greatly aided by the particle diagram representation
- Heating & Cooling ChangesREQUIRED
Must classify states of matter before understanding changes between states
- Grouping MaterialsREQUIRED
Must group materials by properties before classifying into three states of matter
- Changing Shapes of Solids
Changing shapes of solids provides context for understanding solid properties
Unlocks next
- Separating MixturesREQUIRED
Must know solids/liquids/gases to decide appropriate separation techniques
- The Particle ModelREQUIRED
KS3 particle model extends KS2 classification of solids, liquids and gases by observable properties
- Advanced Material Properties
Understanding states of matter supports testing properties like solubility
- Matter Is Made of ParticlesREQUIRED
Must understand observable states of matter before modelling them with particles