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SCIENCE - Sound
TEST 2/26 - Unit 4 Sound
| Question | Answer |
|---|---|
| Frequency | The number of vibrations per second |
| Pitch | How high or low a sound is |
| Vibration | The back and forth movement of matter |
| Volume | The loudness of a sound |
| What causes sound? | Vibration |
| How is amplitude measured? | Amplitude is measured in Decibels |
| How can you tell if something has a loud amplitude? | A loud amplitude has a higher number in Decibels |
| Compare 2 strings on a guitar. The strings are the same length but one is thinner. | The thin one will make a higher pitched sound than the thick one |
| If two guitar strings have the same pitch when plucked, they must be _________________. | Vibrating at the same rate |
| Would a sound that has fewer vibrations per second have a higher pitch or a lower pitch? | A sound with fewer vibrations would have a lower pitch |
| What happens to the sound an object makes when its rate of vibrations decreases? | Its pitch becomes lower |
| Why does a baseball bat falling on the playground make a sound? | It causes vibrations in the air |
| What produces sound? | Causing an object to vibrate |
| Would a long, thick pipe on an organ make a low pitched sound or a high pitched sound? | A low pitched sound |
| How can you raise the pitch on a guitar string? | By tightening the string |
| One string on a guitar makes a lower pitched sound. What is true of that string? | It vibrates more slowly than the other string |
| If an object does not vibrate, it cannot produce ____________. | Sound |
| If you tighten a guitar string, what will happen to the pitch? | Its pitch will be higher |
Created by:
she4thgrade
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