Pure Substances and Mixtures – Worksheet


Worksheet to accompany the lesson Pure Substances and Mixtures.

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pure substances and mixtures worksheet


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Worksheet Contents

  • This worksheet covers:
  • Definition of matter
  • Particles as building blocks of matter
  • Classification of matter as either a pure substance or a mixture
  • Definition of pure substance
  • Definition of mixture
  • Properties of pure substances
  • Properties of mixtures
  • Inseparability of pure substances
  • Separability of mixtures
  • Definition of heterogeneous and homogeneous composition
  • Phases of heterogeneous and homogeneous mixtures
  • Comparing macroscopic and microscopic appearance
  • Classification of mixtures as coarse mixtures, colloids or solutions
  • Properties of coarse mixtures
  • Properties of colloids
  • Properties of solutions
  • Includes:
  • Unit outline.
  • Cloze activity (fill in the blanks).
  • Short-answer questions.
  • Extension questions.
  • Topics for further research.
  • Set of 14 flashcards covering key definitions.
  • Teacher version containing complete answers.
  • Aligned to the Australian Year 7 Science curriculum.
  • 14 pages.

Learning Outcomes

  • By the end of this worksheet students will be able to:
  • ☑   Define matter.
  • ☑   Describe and distinguish between a pure substance and a mixture.
  • ☑   Define homogeneous mixture and heterogeneous mixture.
  • ☑   Identify and distinguish between homogeneous and heterogeneous mixtures.
  • ☑   Distinguish between macroscopic and microscopic appearance.
  • ☑   Define solution, colloid and coarse mixture.
  • ☑   Identify and distinguish between solutions, colloids and coarse mixtures.
  • ☑   Describe transparent and opaque appearance.
  • ☑   Identify phases within heterogeneous mixtures.
  • ☑   Research properties of common mixtures.


This resource is also included in the Year 7 Chemistry PDF Workbook.


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