Summary: The properties of the different states of matter can be explained in terms of the motion and arrangement of particles.
Matter as Particles
“describe the behaviour of matter in terms of particles that are continuously moving and interacting”
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Heat Energy
“relate an increase or decrease in the amount of heat energy possessed by particles to changes in particle movement”
“use a simple particle model to predict the effect of adding or removing heat on different states of matter”
“relate changes in the physical properties of matter to heat energy and particle movement that occur during observations of evaporation, condensation, boiling, melting and freezing”
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| Activity/Resource | Notes |
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| [Simulation] States of Matter Basics | Simulation available on PhET States: students can observe how increasing or decreasing the temperature of a vessel changes the state of its contents (either neon, argon, oxygen or water molecules) Phase Changes: in addition to what’s available in the States simulation, students can also alter the vessel’s pressure (which enables an exploration of phase changes and phase diagrams) |
| [Video] States of Matter | Veritasium. (2011). States of matter [Video]. https://www.youtube.com/watch?v=KCL8zqjXbME Covers states of matter using water |
Density
“explain density in terms of a simple particle model”
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Models
“identify the benefits and limitations of using models to explain the properties of solids, liquids and gases”
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*Will continue adding/refining ideas here over time.
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