Mystery Science Waves of Sound Unit Review

Sound is a form of:

• energy

• pitch

• volume

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Sound is produced when something ______________

• Vibrates
• Moves through empty space

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What is vibration?

• how loud a sound is
• the back and forth movement of matter
• how high or low a sound is
• the loudness or softness of a sound

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Jessica has a jar with a ringing bell in it. She is going to turn on a vacuum pump to get rid of all the air inside of the jar. Will the sound of the bell still be able to get to Jessia’s ears?

• The sound of the bell won’t be able to get to Jessica’s ears, because it won’t go through empty space.

• Yes because the sound can bounce off of the glass.

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What is something natural that sound cannot travel through?

• Water

• Air

• Liquids

• outer Space

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The measure of how high or low a sound(not how quiet or loud) is

• amplitude

• compression

• volume

• pitch

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Low frequency = _______ Pitch

• Low
• High

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High frequency = _______ Pitch

• High
• Low

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Which wavelength would have the highest pitch like a flute or whistle?

• High Frequency Wavelength
• Low frequency Wavelength

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The term for how loud or soft a sound is:

• pitch
• volume
• sound
• medium

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