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🔬 Science - Class 9
Unit 10 · Wave

Reflection of Sound Presentation

ScienceSubject
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Science and Technology, Grade 9

Reflection of Sound

Echoes · SONAR · Acoustic protection

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An echo is your own voice, sent back to you by a wall.

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Presenter notes: Today we learn how sound bounces back from hard surfaces, and how animals and people put that returning sound to work.