Materials and Change: Chemistry in Action · Physical Science

Heating and Cooling Effects

Observing the reversible and irreversible changes that occur when materials are exposed to temperature changes.

Key Questions

  1. 1Why do some changes stay permanent while others can be undone?
  2. 2How does heat change the strength of different materials?
  3. 3What causes some materials to expand when they get hot?

NCCA Curriculum Specifications

NCCA: Primary - MaterialsNCCA: Primary - Materials and Change
Class/Year: 4th Class
Subject: Exploring Our World: Scientific Inquiry and Discovery
Unit: Materials and Change: Chemistry in Action
Period: Physical Science

Suggested Methodologies

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Identifying the characteristics of solids, liquids, and gases and observing how substances transition between them.

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Using scientific techniques like filtering and sieving to separate mixtures and solutions.

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