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States of matter

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Why this, why now

This unit covers the particle model, states of matter, and changes between them, distinguishing physical from chemical changes. It explains the concept of purity in scientific terms, using melting point data to identify pure and impure substances, and explores the limitations of the particle model.

Prior knowledge requirements

  • Ardaydu waa inay yaqaanaan aasaaska maadada.
  • Ardaydu waa inay awoodaan inay raacaan tilmaamo fudud.
Unit 3 / 8

States of matter

This unit covers the particle model, states of matter, and changes between them, distinguishing physical from chemical changes. It explains the concept of purity in scientific terms, using melting point data to identify pure and impure substances, and explores the limitations of the particle model.

8 lessons
  1. State changes: evaporation and sublimation
  2. State changes: fundamentals
  3. Predicting states of matter and limitations of the particle model
  4. Pure substance
  5. Heating and cooling curves
  6. Predicting states of matter
  7. The particle model
  8. Heating curves: practical