Classification of Matter Unit: Elements, Compounds, and Mixtures


Complete, Comprehensive, and Engaging Unit on Pure Substances versus Mixtures

Grades 7 and Up


This classifying matter bundle includes everything needed for students to learn to classify matter into elements, compounds, and mixtures, as well as be able to compare pure substances versus mixtures. All of the work has been done for you – from start to finish!

These 18 resources form a COMPLETE AND COMPREHENSIVE UNIT, including:

  • Editable PPT notes with Cloze sheets
  • Varied supporting activities
  • Worksheets
  • Hands-on labs (with EASY supplies!)
  • Quizzes
  • Test with test review
  • Engaging articles with questions for sub plans or a fun extra

Topics Covered in this Unit:

  • What are elements, compounds, and mixtures?
  • Pure substances and mixtures are different in many ways (chemical composition, how they can be separated, if they keep their properties when they combine, if they have characteristic properties, and how they are represented)
  • Counting atoms in a chemical formula (just the basics)
  • Examples of common compounds and mixtures
  • Properties of compounds (characteristic properties, different properties than their elements, definite chemical composition)
  • Properties of mixtures (retain properties of substances, no definite composition)
  • Compounds are made by chemical reactions
  • Examples of skeleton models and ball and stick models of compounds
  • Types of mixtures
  • Ways mixtures can be separated

Supplies Required for this Unit:

  • The “Devise a Plan to Separate a Mixture” activity can be done with or without poster paper.
  • The “Separate a Mixture” lab uses cereal, plastic sandwich bags, water bottles, and magnets.
  • The “Elements, Compounds, Mixtures” activity requires an assortment of metal nuts, bolts, and washers.
  • All other activities are paper-based.

Teacher Notes:

  • The information included is MIDDLE SCHOOL level.
  • Includes all answer keys.
  • Please contact [email protected] with any questions!


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