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40 Cards in this Set
- Front
- Back
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What is sound |
Sound is vibration made by an object |
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Why do we walk away from the speakers when we feel the sound is too |
We don't want to break our eardrum |
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Why does the loudness of sound decreases and travels further away from the source |
Because the energy that produces sound decrease as it moves away |
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What is amplitude |
The height of a sound wave |
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Sound travels away from the source of the sound in |
All direction |
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What is frequency? |
Frequencies is the number of wave peaks in a second |
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The lower /higher the pitch of a sound the /longer/shorter wavelength |
1.lower 2.Longer |
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We can hear ambulance siren because sound can travel through ....... |
Air |
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A native American would lie with one ear to the ground and listen for their enemies. He knew that sound could travel through |
Solid |
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Whales communicate among themselves through their songs Divers can hear the song because sound can travel through |
Liquid |
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.......... Is the level at which something is heard |
Volume |
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....... Is the repitition of a sound by reflecting of sound waves from surface |
Echo |
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......... Is how high or low a sound is |
Pitch |
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....... Is the substance through which energy can be transmitted |
Medium |
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...... Is the unwanted sound |
Noise |
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The movement back and forth is known as ...... |
Vibration |
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Banjo |
Strings |
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Bumble Bee |
Wings |
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Cymbals |
Plates |
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Turning forks |
Prongs |
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Human voice |
Vocal cords |
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Flute |
Air column |
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Vibrates when sound reach it |
Eardrum |
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It's the place where sound travel from Pinna |
Ear canal |
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Where sound is collected |
Pinna |
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Is the place where Nerve impulses are form |
Cochlea |
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...... ......... SDA tiup tiup equalize pressure with you in the middle and the air outside |
Eustachian tube |
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Guitar |
String instrument |
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Piano |
String instrument |
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Harp |
String instrument |
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Maracas |
Percussion instrument |
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Drum |
Percussion instrument |
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Conga |
Percussion instrument |
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French horn |
Wind instruments |
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Tuba |
Wind instruments |
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Saxophone |
Wind instruments |
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Write two things to help the string produce the higher notes |
1. Make it shorter 2. Use a thinner string |
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A.Which class creates the highest note.why? B. Which class creates the lowest note.Why? |
A, because it has the least water B. H has the most water |
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I hit the big drum loudly for 3 minutes.Then. I noticed the rice grains on drum...... Jumped shorter than the rice grain on drum .....Because.... |
1.B 2.A 3.Because of the vibration |
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A.high notes when blow? B.high notes when hit? |
A. A because the shorter the air column the higher the pitch B. F because the lower the air column the lower the pitch |
