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Introducing new Paper mode
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- Multiple ChoicePlease save your changes before editing any questions.What is frequency?the number of vibrations per secondhow high or low a sound isthe loudness or softness of a soundthe back and forth movement of matter
- Multiple ChoicePlease save your changes before editing any questions.Measure of how high or low a sound isamplitudecompressionspeed of soundpitch
- Multiple ChoicePlease save your changes before editing any questions.A longer string makes a _______ pitch than a short string.loudersofterhigherlower
- Multiple ChoicePlease save your changes before editing any questions.An object that does not vibrate cannot producesoundlightheatelectricity
- Multiple ChoicePlease save your changes before editing any questions.Sound is a form of?energypitchvolume
- Multiple ChoicePlease save your changes before editing any questions.What type of materials REFLECT sound?hard materialssmooth materialsboth hard and smooth materialsporous materials
- Multiple ChoicePlease save your changes before editing any questions.How can you create a low pitch sound on a violin?Pluck the thinnest stringPluck all the strings once togetherPluck the thickest stringPlay the guitar
- Multiple ChoicePlease save your changes before editing any questions.Destiny hits a symbol with her drumstick and makes it vibrate. She then puts her hand on the symbol and stops the vibration. What happened to the sound of the symbol?The sound continues but not as loud.The sound continues but has a lower pitch.The sound stops because her hand absorbs the sound.The sound stops because the vibrations have stopped.
- Multiple ChoicePlease save your changes before editing any questions.Yeli was at Busch Gardens. She heard an a girl scream on one of the rides. What did the pitch of her voice sound like and why?The pitch was high because her vocal chords vibrated quicklyThe pitch was low because her vocal chords vibrated slowly.The pitch was high because her vocal chords vibrated slowly.The pitch was low because her vocal chords vibrated slowly.
- Multiple ChoicePlease save your changes before editing any questions.Vibrating vocal chords causes sound energy when a person speaks.TrueFalse
- Multiple ChoicePlease save your changes before editing any questions.The ___________________ is how loud or soft a sound is.echofrequencypitchvolume
- Multiple ChoicePlease save your changes before editing any questions.In which medium will sound travel slowest?airwaterglasssalt water
- Multiple ChoicePlease save your changes before editing any questions.Which of the following determines the pitch of a sound wave?frequencydensitymassreflection
- Multiple ChoicePlease save your changes before editing any questions.Why is the school library covered with carpet?So everyone can make a lot of noiseto help absorb sounds to keep it quietbecause it looks goodto help absorb sounds so it can stay noisy
- Multiple ChoicePlease save your changes before editing any questions.True or False
You can hear in space.TrueFalse - Multiple ChoicePlease save your changes before editing any questions.In which medium will sound travel fastest?airwaterglasssalt water
- Multiple ChoicePlease save your changes before editing any questions.If you walk into an empty gym and yell, why would you hear an echo?The gym walls are soft and uneven.The sound waves are being absorbed by the hard smooth walls.The sound waves are bouncing off the hard smooth gym walls.The gym walls are really clean.
- Multiple ChoicePlease save your changes before editing any questions.What travels faster, light or sound?lightsound
- Multiple ChoicePlease save your changes before editing any questions.Why can a dog hear a dog whistle but a human cannot?Dogs have bad hearingDogs hear at a lower frequencyDogs barkDogs can hear at a higher frequency
- Multiple ChoicePlease save your changes before editing any questions.What is vibration?how loud a sound isthe back and forth movement of matterhow high or low a sound isthe loudness or softness of a sound