FOSS Module Summary

Module Summary – Mixtures and Solutions (3rd Ed.)

Chemistry is the study of the structure of matter and the changes or transformations that take place within those structures. Learning about the properties and behaviors of substances gives us knowledge about how things go together and how they can be taken apart. Learning about changes in substances can lead to the development of new materials and new ways to produce energy. The Mixtures and Solutions Module has four investigations that introduce students to fundamental ideas in chemistry. In this module, students will:

  • Make and separate mixtures, using screens, filters, and evaporation.
  • Measure solids and liquids to compare the mass of a mixture to the mass of its parts.
  • Use a balance to determine relative concentration. Layer solutions to determine relative density (concentration).
  • Plan and conduct saturation investigations. Compare the solubility of substances in water.
  • Identify an unknown substance based on the properties of solubility and crystal form.
  • Observe and compare reactants and products of several chemical reactions.

For a description of each investigation in the Mixtures and Solutions Module and the correlations to the National Science Education Standards, download the Module Overview PDF.

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