Science / Year 7 / Science Understanding / Chemical sciences

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Curriculum content descriptions

Mixtures, including solutions, contain a combination of pure substances that can be separated using a range of techniques (ACSSU113)

Elaborations
  • recognising the differences between pure substances and mixtures and identifying examples of each
  • identifying the solvent and solute in solutions
  • investigating and using a range of physical separation techniques such as filtration, decantation, evaporation, crystallisation, chromatography and distillation
  • exploring and comparing separation methods used in the home
ScOT terms

Mixtures,  Separation (Mixtures)

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experiMENTALS: Spooky slime

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This resource contains a materials and instruction list and brief explanation for students about the process of making spooky slime with cornflour to produce a substance that is a little like a liquid and a little like a solid.

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Science talk 2007: Adam Cawley

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DIY Lava Lamp

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This resource contains lessons plans containing instructions and teachers' notes for an activity based on a chemical reaction that occurs when a soluble aspirin tablet dissolves and the fact that oil and water do not mix are used to create a model of a lava lamp. Students have fun while they learn about density of fluids. ...

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experiMENTALS: Recycling plastics and glass

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Experimentals: Name these mystery objects

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Cool colour

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This is a lesson plan, complete with instructions, materials list, worksheets and photographs of the expected results from the ABC's surfing scientist. The students are encouraged to participate in a first-hand science activity using sugar and colour-coated chocolate lollies.

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