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Humble Sound
SOL 5.2 Sound
| Question | Answer |
|---|---|
| What does all sound begin with? | Vibrations |
| What does sound need to travel? | Matter |
| Sound is the transfer of what? | Energy |
| Sound travels as what type of wave? | Compression Wave |
| The part of a sound wave where the molecules are tightly packed. | Compression |
| The part of a sound wave where the molecules are loosely packed. | Rarefaction |
| Another name for sound reflection. | Echo |
| The use of sound waves by animals to locate food. | Echolocation |
| The opposite of reflection. | Absorption |
| A place where there is very little or no matter. | Vacuum |
| The distance between a point on one wave and the same point on the next. | Wavelength |
| The number of waves in a given unit of time. | Frequency |
| Frequency is measured in this unit. | Hertz |
| The highness or lowness of a sound. | Pitch |
| Faster vibrations produce _________ frequencies | Higher |
| Slower vibrations produce_________ frequencies. | Lower |
| The lower the frequency, the _________ the pitch. | Lower |
| The higher the frequency, the _________ the pitch. | Higher |
| The loudness or softness of a sound. | Volume |
| Volume is measured in this unit. | Decibels |
| The higher the decibels, the________the sound. | Louder |
| Volume is determined by the amount of ______used to produce the sound. | Energy |
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thumble
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