What is sound? How does sound move through air and water? Why are some sounds high in pitch and others are low? Investigate the curious world of physical science! Find out for yourself about Sound through experiments that you can do at home. Did you know that some animals hear sounds that you cannot hear? Sound will show you the importance of investigating and understanding the physical world around you.
Available format(s):
Classic Audio
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What's an Audio Format Audio format refers to the way an audiobook is recorded. Not all audiobooks have the same formats. Classic Audio: A human reading an audiobook without the text displayed. VOICEtext (H): Human narrator with text that you can follow along with as it reads. VOICEtext (S): Synthetic voice with text you can follow along with as it reads.
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