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The Doppler Effect: Why Sounds Change as They Move (Lesson Plan)

This plan helps a parent support a learner aged 11 to 16 through the finished lesson on the Doppler effect. It follows the lesson sequence and adds practical prompts, checks and adaptations without requiring specialist equipment. The learner will connect relative motion with wave spacing, detected frequency and pitch, then apply the idea to sirens, radar and light. Use the final knowledge check and reflection to decide what to revisit.

The Doppler Effect: Why Sounds Change as They Move

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