Lesson 2: Transmitting data
Discovering how infrared waves transmit data and how this can be put to practical use by a range of devices.
Learning objective
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Success criteria
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National curriculum
Cross-curricular links
Before the lesson
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Lesson plan
1. Recap and recall
Explain that the children will create a mind map to help them remember what they learnt about bar codes and QR codes in the previous lesson. Hand out whiteboards and pens and display the Presentation: Mind map. Read the slide aloud and allow time for the children to complete the activity.
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Adaptive teaching
Assessing progress and understanding
Vocabulary definitions
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Maintained by: Kapow Primary teamLast update: 15 April 2026
