Age: 8-12
Level: 7
Language: English
(en)
ID: 920365
18/04/2021
Country code: ID
Country: Indonesia
Main content: Sound Waves (1349309)
From worksheet author:
Review for sound waves properties
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![Properties of Sound Waves Properties of Sound Waves](/sites/default/files/styles/worksheet/public/def_files/2021/4/18/104180936301135302/104180936301135302001.jpg?itok=FpryKc9Q)
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