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Student Learning Goals:
Student Learning Goals:
I can describe matter as continuously moving and interacting particles.
I can describe the particle model for three states of matter.
I can explain the shape, volume, diffusion and compressibility of the three states of matter in terms of the particle model.
I can explain the density of a substance in terms of the particles. (Additional Learning Goal: Students can describe other physical properties of matter.)
I can relate changes in the heat energy of a substance to changes in the movement of particles.
I can define each of the following changes of state: Melting, freezing, evaporation, condensation, sublimation
I can use the water cycle as an example of the changes of state.
I can distinguish between a physical change and a chemical change.
NESA Syllabus Requirements
NESA Syllabus Requirements
Outcome
describes the observed properties and behaviour of matter, using scientific models and theories about the motion and arrangement of particles SC4‑16CW
CW1: The properties of the different states of matter can be explained in terms of the motion and arrangement of particles. (ACSSU151)
Students:
a. describe the behaviour of matter in terms of particles that are continuously moving and interacting
b. relate an increase or decrease in the amount of heat energy possessed by particles to changes in particle movement
c. use a simple particle model to predict the effect of adding or removing heat on different states of matter
d. 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
e. explain density in terms of a simple particle model
f. identify the benefits and limitations of using models to explain the properties of solids, liquids and gases
Additional content
Students:
• outline how some historical developments have contributed to evidence that has advanced our understanding of the particle model of matter
• explain the changes in pressure of gases in terms of increases or decreases in the frequency of particle collisions
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