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Matter, Energy, and Change · Spring Term

Sound Intensity and Echoes

Students explore sound intensity (loudness) and how sound travels, including the phenomenon of echoes.

Key Questions

  1. Differentiate between pitch and loudness of a sound.
  2. Explain how sound waves travel through different mediums.
  3. Predict how the distance to a surface affects the perception of an echo.

NCCA Curriculum Specifications

NCCA: Science - Energy and Forces - Sound WavesNCCA: Science - Energy and Forces - Echoes
Class/Year: 2nd Class
Subject: Young Explorers: Investigating Our World
Unit: Matter, Energy, and Change
Period: Spring Term

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