Sound Study Guide (KEY)
1) DEFINE THE FOLLOWING WORDS:
Pitch - !
How high or low a sound is.!
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Volume -!
How loud or soft a sound is.!
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Sound Discrimination -! Being able to tell objects apart based on the sound they
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Vibrations -The movement that makes sound.! !
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Amplify -Making a sound louder.! !
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Sound Source -Something that produces sound. !
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Sound Receiver -Something that takes in sound.!
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2) Label the parts of the ear:
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Anvil, Auditory Nerve, Auricle, Cochlea, Ear Canal, Ear Drum, Hammer, Stirrup
3) In the space below, draw 3 different instruments, AND put them in order based on the
pitch they make, from lowest to highest
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bassoon! !
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trumpet!
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harmonica
4) EXPLAIN WHY these instruments make a different pitch:
The size of an instrument can change the pitch. The smaller it is, the higher the pitch,
the bigger the instrument, the lower the pitch. ! !
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5) Why can loud sounds be a bad thing for you?
It can harm your ears by damaging your hearing, it is bothersome or hurts your ears,
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6) What are 3 different things that can change a pitch?
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The size of an object or instrument!
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The length of an object or length of a part of the instrument!
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The tension (how tight or loose)! !
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7) How can you INCREASE the volume of a sound?
Increase the force you use OR use an amplifier. !
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8) Draw a picture showing how sound travels from another person’s sound source to
your sound receivers. Make sure you can also explain this in words.
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A person makes a sound with their their sound source, their mouth.!
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The sound/vibrations travel through the air and into my sound receiver, my ears.
9) Fill out the chart below by writing in 2 different things for each section.
Makes a
High Pitch
Makes a
Low Pitch
Has a
Loud Volume
Has a
Soft Volume
1) tires screeching
1) large barking
dog
1) Airplane
1) Harp
2) bell
2) book falling on
table
2) screaming baby
2) Person
whispering
Out of ALL of these, which one makes the
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Highest Pitch:!
bell, tires, baby, OR harp all acceptable! !
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Lowest Pitch:!!
dog, book, OR airplane all acceptable!
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Loudest Volume:!
airplane!
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Softest Volume:!
person whispering OR Harp both acceptable!
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10) Sounds travel at different speeds through solids, liquids, and gases. Put these
materials in order based on how fast sounds travel through them, slowest to fastest
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gas! !
Slowest!!
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liquid! !
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solid! !
Fastest