1) No sounds of very quiet a) silent b) vibrate c) liquids d) waves 2) The front of the neck a) string b) vibrate c) silent d) throat 3) to move back and forth quickly a) vibrate b) throat c) string d) tuning fork 4) the way in which something or someone can travel a) vibration b) gases c) solids d) direction 5) materials that have a firm shape a) liquids b) gases c) solids 6) What do we call materials that can flow a) liquids b) gases c) solids 7) Why are some vibrations hard to see? a) too far b) too near c) too fast d) too slow 8) Does sound travel faster in solids or in liquids a) solids b) liquids

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