terms and definitions
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 feflected sound wave
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| elasticity | the ability of a amterial to bounce back after being disturbed
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| density | how much matter or mass there is in a given amount of space, or volume
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| loudness | describes perception of the energy in sound
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| intensity | the amount of energy a sound wave carries per second through a unit area
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| decibel | unit used to compare sounds
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| pitch | how high or low a sound is
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| ultrasound | soundwaves with frequencies above the normal human range of hearing
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| infrasound | frequencies below human hearing range
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| larnyx | where the vocal cords are located in the human body
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| doppler effect | the change in frequency of the waves as its source moves in relation to the observer this is also what causes this effect
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| what causes a SONIC BOOM! | exceding the speed of sound (around 730-760)
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| music | a set of notes that combine in patterns that are most pleasing
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| fundamental tone | the lowest natural frequency
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| overtone | higher natural frequency
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| acoustics | how sound interacts with the enviroment
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| reverberation | sound reflecting off hard surfaces
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| ear canal | part in ear that collects soundwaves
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| eardrum | allows hearing
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| cochlea | contains hairlike cells that send messages from the ear to the brain
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| echo location | use of reflected soundwaves to determine distance or locate something
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| sonar | system that uses sound waves to detect or locate objects underwater
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| sonogram | device that uses reflected ultrasound waves to create a pisture called a 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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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.
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:
brachydios1.2
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