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Choose a Page:What is sound?How do we hear sounds?*How fast does sound travel?*How is loudness measured?Why does the sound of a racing car...How does sound travel down telepho... How fast does sound travel? Sound travels through solids, liquids, and gases at different speeds. Its speed depends on the density of the material. It travels faster through dense materials like steel than through less dense materials like air.   Previous: Back Book: Best Ever Q&A Section: Science & Technology Chapter: Sound