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Year 2 · Science · Science understanding

AC9S2U02

explore different actions to make sounds and how to make a variety of sounds, and recognise that sound energy causes objects to vibrate

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 2.

AC9S2U01

recognise Earth is a planet in the solar system and identify patterns in the changing position of the sun, moon, planets and stars in the sky

AC9S2U03

recognise that materials can be changed physically without changing their material composition and explore the effect of different actions on materials including bending, twisting, stretching and breaking into smaller pieces

The same idea, year by year

Where AC9S2U02 comes from and where it goes, for a student working below or above Year 2.

  1. Year 1AC9S1U01identify the basic needs of plants and animals, including air, water, food or shelter, and describe how the places they live meet those needs
  2. Year 1AC9S1U02describe daily and seasonal changes in the environment and explore how these changes affect everyday life
  3. Year 1AC9S1U03describe pushes and pulls in terms of strength and direction and predict the effect of these forces on objects’ motion and shape
  4. Year 3AC9S3U01compare characteristics of living and non-living things and examine the differences between the life cycles of plants and animals
  5. Year 3AC9S3U02compare the observable properties of soils, rocks and minerals and investigate why they are important Earth resources
  6. Year 3AC9S3U03identify sources of heat energy and examine how temperature changes when heat energy is transferred from one object to another
  7. Year 3AC9S3U04investigate the observable properties of solids and liquids and how adding or removing heat energy leads to a change of state

Planning against AC9S2U02?

Daily Work Pad reads codes like this one out of your forward plan and carries them onto your lessons and worksheets. The pilot is invite-only for now.