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Science / Year 9 / Science Understanding / Chemical sciences

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View on Australian Curriculum website Australian Curriculum, Assessment and Reporting Authority
Curriculum content descriptions

All matter is made of atoms that are composed of protons, neutrons and electrons; natural radioactivity arises from the decay of nuclei in atoms (ACSSU177)

Elaborations
  • describing and modelling the structure of atoms in terms of the nucleus, protons, neutrons and electrons
  • comparing the mass and charge of protons, neutrons and electrons
  • describing in simple terms how alpha and beta particles and gamma radiation are released from unstable atoms
ScOT terms

Atoms

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Audio

Green glow of radiation

  • TLF-IDM016565

Coming into contact with a large dose of radiation is known to be hazardous. But will it make you light up like a car dashboard at night? Some anecdotes that will engage the students to learn about radioactivity while dispelling a few myths.

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Audio

CERN legend stuff of angels and demons

  • TLF-IDM016702

This ABC article or podcast by Dr Karl describes and outlines the role of the particle accelerator, the Large Hadron Collider and how it is helping to research the nature of mass. This article is dated (2008) as some significant results from the Large Hadron Collider have since been announced.

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