Materials and Their Transformations · Term 1

Reversible Changes: Physical Changes

Distinguishing between changes that can be undone and those that permanently alter a substance.

Key Questions

  1. What causes some changes in matter to be permanent while others are temporary?
  2. How can we use heat to both create a new substance and change the state of an existing one?
  3. What would happen if all chemical changes in a kitchen were suddenly reversible?

CBSE Learning Outcomes

CBSE: Changes Around Us - Class 6
Class: Class 6
Subject: Science (EVS K-5)
Unit: Materials and Their Transformations
Period: Term 1

Suggested Methodologies

Inquiry Circle

Small groups investigate an open question without direct instruction

30–55 min

Learn more about Inquiry Circle

Stations Rotation

Groups rotate through different tasks at each station

35–55 min

Learn more about Stations Rotation

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Planning templates for Science (EVS K-5)

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5E Model

The 5E Model structures lessons through five phases (Engage, Explore, Explain, Elaborate, and Evaluate), guiding students from curiosity to deep understanding through inquiry-based learning.

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Thematic Unit

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Single-Point Rubric

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Methods of Separation: Handpicking and Threshing

Exploring methods like filtration, evaporation, and decantation to recover substances from mixtures.

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Methods of Separation: Winnowing and Sieving

Investigating techniques that utilize differences in weight and particle size for separating mixtures.

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Methods of Separation: Sedimentation, Decantation, Filtration

Practicing techniques for separating insoluble solids from liquids and purifying liquids.

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