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Sinossi

Sound is made up of tiny vibrations. Learn how different vibrations create different sounds! With age-appropriate critical thinking questions and carefully leveled text, young readers will learn all about sound while building nonfiction reading skills.

Durata: 3 minuti (00:02:41)
Data di pubblicazione: 01/08/2018; Unabridged; Copyright Year: 2018. Copyright Statment: —

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