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The Understanding light communication skill in Grade 1 Physical Science refers to teaching students about how light can be used as a medium for communication.
To test a Grade 1 student's understanding of light in communication, use simple, hands-on activities such as shadow puppet games to explore how light travels and creates shadows.
Effective activities for teaching students about light communication include creating Morse code messages using flashlights, constructing simple optical telegraphs, experimenting with colored light filters to understand signal encoding, and role-playing as different components in a fiber optic communication system. These hands-on activities encourage exploration of how light can carry information, enhancing their understanding and engagement with physical science concepts.