AC9S9U02
Official content description
describe the form and function of reproductive cells and organs in animals and plants, and analyse how the processes of sexual and asexual reproduction enable survival of the species
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What Year 9 Science students should achieve
Coverage is judged against the achievement standard — not by ticking every content description. These are the official Year 9 Science standard sentences this code builds towards:
- They describe how the processes of sexual and asexual reproduction enable survival of the species.
- They explain observable chemical processes in terms of changes in atomic structure, atomic rearrangement and mass.
- Students explain the role of publication and peer review in the development of scientific knowledge and explain the relationship between science, technologies and engineering.
- They analyse energy conservation in simple systems and apply wave and particle models to describe energy transfer.
- They explain how interactions within and between Earth’s spheres affect the carbon cycle.
- By the end of Year 9 students explain how body systems provide a coordinated response to stimuli.
The Science understanding progression either side of AC9S9U02
A class can only meet this descriptor if they were taught the one before it. If yours hasn't, that's where the lesson starts — not here.
Taught before · Year 8
- AC9S8U01recognise cells as the basic units of living things, compare plant and animal cells, and describe the functions of specialised cell structures and organelles
- AC9S8U02analyse the relationship between structure and function of cells, tissues and organs in a plant and an animal organ system and explain how these systems enable survival of the individual
- AC9S8U03investigate tectonic activity including the formation of geological features at divergent, convergent and transform plate boundaries and describe the scientific evidence for the theory of plate tectonics
Builds towards · Year 10
- AC9S10U01explain the role of meiosis and mitosis and the function of chromosomes, DNA and genes in heredity and predict patterns of Mendelian inheritance
- AC9S10U02use the theory of evolution by natural selection to explain past and present diversity and analyse the scientific evidence supporting the theory
- AC9S10U03describe how the big bang theory models the origin and evolution of the universe and analyse the supporting evidence for the theory
Other Year 9 Science understanding codes
- AC9S9U01compare the role of body systems in regulating and coordinating the body’s response to a stimulus, and describe the operation of a negative feedback mechanism
- AC9S9U03represent the carbon cycle and examine how key processes including combustion, photosynthesis and respiration rely on interactions between Earth’s spheres (the geosphere, biosphere, hydrosphere and atmosphere)
- AC9S9U04use wave and particle models to describe energy transfer through different mediums and examine the usefulness of each model for explaining phenomena
- AC9S9U05apply the law of conservation of energy to analyse system efficiency in terms of energy inputs, outputs, transfers and transformations
- AC9S9U06explain how the model of the atom changed following the discovery of electrons, protons and neutrons and describe how natural radioactive decay results in stable atoms
- AC9S9U07model the rearrangement of atoms in chemical reactions using a range of representations, including word and simple balanced chemical equations, and use these to demonstrate the law of conservation of mass
Content description and achievement standard © Australian Curriculum, Assessment and Reporting Authority (ACARA), Australian Curriculum Version 9, used under CC BY 4.0. TeachKoala is not affiliated with or endorsed by ACARA.