True: Sound can travel through solids, liquids and gases., Vibrations travel in sound waves., Vibrate means to continuously and rapidly move to and fro. , You can not always see vibrations., Our vocal chords vibrate to create sound., Vibrations travel in all directions. , False: Sounds only travel through air., Sounds travel in straight lines., Sound waves move in straight lines., Sounds only travel through solids.,

How are sounds made?

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