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FOSS Third Edition Measuring Matter

Measurement, the process of quantifying observations, compares nature to a standard unit allowing the organization of the world to become more comprehensible. The Measuring Matter Module introduces students to tools and procedures for comparing matter in its common states of solid, liquid, and gas.

Students will:

  • Apply the conventions of measurement– accuracy, position, orientation, and repetition.
  • Use tools to make accurate measurements and represent measurements by using numbers and units; use measurement data to construct explanations.
  • Plan a procedure, and apply it to solve a problem.
  • Use tables and graphs to organize and display data for analysis.
  • Weigh materials to confirm conservation of matter.
  • Investigate the relationship between phase change and heating and cooling.
  • Make and separate a number of simple mixtures; mix materials to observe solutions and reactions.


  • Investigation 1: The First Straw
  • Investigation 2: Fact of the Matter
  • Investigation 3: Changing Matter
  • Investigation 4: Mixtures

A Complete Kit includes:

  • Investigations Guide
  • Teacher Resources
  • 32 Science Resource books
  • Nonconsumable equipment
  • Consumable materials for two class uses

For information about Spanish materials, please contact your Sales Representative.