Sound Vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| echo | a reflected sound wave
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| elasticity | the ability of a material to bounce back after it is disturbed
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| dencity | the ratio of mass to volume
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| loudness | perception of energy of a sound
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| intencity | the amount of energy carried through a substance per second
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| decibel | a unit of how loud a sound is
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| pitch | perception of the frequency of a sound
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| ultrasound | sound wave with the frequency over 20,000Hz
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| infrasound | sound with frequencies lower then the human hearing range
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| larynx | 2 folds of tissue that make up the voice box
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| Doppler effect | the change in frequency of a wave as its source moves in relation to an observer
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| what causes the Doppler effect | when a sound source moves, the frequency of the wave changes because of the motion of the source adds to the motion of the waves
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| what causes a sonic boom | when an object breaks the sound barrier
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| fundamental tone | the lowest natural frequency of an objoct
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| overtone | the natural frequency that is multiple of the fundamental tone's frequency
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| acuostics | the study of how sound interacts with its surroundings
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| reverbration | the echoes of a sound that are heard after it stops producing sound waves
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| ear canal | the narrow part of the ear leading to the ear drum from the outside of the ear
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| eardrum | a small, tightly stretched, drumlike membrane in the ear
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| cochlea | a fluid filled cavity in the inner ear that is shaped like a snail shell
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| echolocation | the use of reflected sound waves to determine distance or to locate
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| sonar |
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| sonogram |
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Butters the Toast
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