Materials and Their Properties · Physical Science
Chemical Changes and Reactions
Distinguishing between reversible physical changes and irreversible chemical reactions.
Key Questions
- 1How can we tell if a new substance has been formed during an experiment?
- 2Why is rusting considered a chemical change while melting is not?
- 3What happens to the total mass of materials after a chemical reaction?
NCCA Curriculum Specifications
NCCA: Primary - MaterialsNCCA: Primary - Materials and Change
Class/Year: 5th Class
Subject: Scientific Inquiry and the Natural World
Unit: Materials and Their Properties
Period: Physical Science
Suggested Methodologies
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