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The Nature of Matter · Term 1

Sublimation and Evaporation

Students will examine the unique processes of sublimation (solid to gas) and evaporation, distinguishing them from boiling and other phase changes.

Key Questions

  1. Justify why certain substances sublime directly from solid to gas.
  2. Differentiate between evaporation and boiling based on temperature and energy requirements.
  3. Predict the factors that influence the rate of evaporation.

CBSE Learning Outcomes

CBSE: Matter in Our Surroundings - Class 9
Class: Class 9
Subject: Science (EVS K-5)
Unit: The Nature of Matter
Period: Term 1

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