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Year 4 · Science · Science understanding

AC9S4U02

identify sources of water and describe key processes in the water cycle, including movement of water through the sky, landscape and ocean; precipitation; evaporation; and condensation

The content description above is Australian Curriculum, Assessment and Reporting Authority (ACARA)’s own wording, reproduced unmodified from the Australian Curriculum v9.0, read in August 2026, and licensed CC BY 4.0.

© Australian Curriculum, Assessment and Reporting Authority (ACARA) 2010 to present, unless otherwise indicated. This material was downloaded from the Australian Curriculum website and was not modified. ACARA does not endorse this product and is not affiliated with it.

Taught alongside it

The rest of Science understanding in Year 4.

AC9S4U01

explain the roles and interactions of consumers, producers and decomposers within a habitat and how food chains represent feeding relationships

AC9S4U03

identify how forces can be exerted by one object on another and investigate the effect of frictional, gravitational and magnetic forces on the motion of objects

AC9S4U04

examine the properties of natural and made materials including fibres, metals, glass and plastics and consider how these properties influence their use

The same idea, year by year

Where AC9S4U02 comes from and where it goes, for a student working below or above Year 4.

  1. Year 3AC9S3U01compare characteristics of living and non-living things and examine the differences between the life cycles of plants and animals
  2. Year 3AC9S3U02compare the observable properties of soils, rocks and minerals and investigate why they are important Earth resources
  3. Year 3AC9S3U03identify sources of heat energy and examine how temperature changes when heat energy is transferred from one object to another
  4. Year 3AC9S3U04investigate the observable properties of solids and liquids and how adding or removing heat energy leads to a change of state
  5. Year 5AC9S5U01examine how particular structural features and behaviours of living things enable their survival in specific habitats
  6. Year 5AC9S5U02describe how weathering, erosion, transportation and deposition cause slow or rapid change to Earth’s surface
  7. Year 5AC9S5U03identify sources of light, recognise that light travels in a straight path and describe how shadows are formed and light can be reflected and refracted
  8. Year 5AC9S5U04explain observable properties of solids, liquids and gases by modelling the motion and arrangement of particles

Planning against AC9S4U02?

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