Science / Year 9 / Science Understanding / Chemical sciences

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Curriculum content descriptions

Chemical reactions involve rearranging atoms to form new substances; during a chemical reaction mass is not created or destroyed (ACSSU178)

Elaborations
  • identifying reactants and products in chemical reactions
  • modelling chemical reactions in terms of rearrangement of atoms
  • describing observed reactions using word equations
  • considering the role of energy in chemical reactions
  • recognising that the conservation of mass in a chemical reaction can be demonstrated by simple chemical equations
ScOT terms

Chemical reactions,  Molecular structure

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Male and female thylacines, 1841

  • TLF-IDR3226

This is a 36 cm x 55 cm hand-coloured lithograph of a pair of thylacines (‘Thylacinus cynocephalus’), commonly called Tasmanian tigers, against a background of small bushes and an open plain.

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Southern gastric brooding frog

  • TLF-IDR6867

This is a colour photograph of a preserved southern gastric brooding frog ('Rheobatrachus silus'). It is a museum specimen viewed from the front.

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Zygomaturus fossil skeleton

  • TLF-IDR6881

This is a colour photograph of a 'Zygomaturus tasmanicus' fossil skeleton. The skeleton is a museum specimen and has been braced with metal rods. It is displayed in a standing posture.

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