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Beckwith 13-14 Vocab
Vocabulary
| Term | Definition |
|---|---|
| acoustics | the science and technology of sound |
| beat | a rapid alteration between loudness and silence |
| cochlea | a tiny fluid-filled bone structure in the inner ear with three tubes and a spiral |
| consonance | a combination of sounds that is harmonious or agreeable |
| pitch | property of a sound determined by the frequency of the waves producing it |
| dissonance | a combination of discordant or unsettling sounds |
| harmonics | frequencies that are multiples of fundamental notes |
| musical scale | frequencies of sound that fit into a special pattern |
| beats | more than one beat |
| harmony | the artistic mixing of sounds of many different frequencies |
| pressure | a measure of the force felt by the walls of a container |
| reverberation | multiple echoes of sound |
| ultrasound | sound of frequencies too high for the human ear to hear |
| sound | a pressure wave we hear with our ears |
| sonogram | a special kind of graph that shows how loud sound is at different frequencies |
| supersonic | motion that is faster than sound |
| white noise | equal mixtures of all frequencies, like white is a mixture of all colors |
| decible | a scale to measure the loudness of sound |
| rhythm | the time pattern in sound |
| chemical reation | the breaking of bonds to form new substances |
| cone cells | photo receptor cells in the retina of the eye that responds to color |
| cyan | a greenish light-blue color where red is absorbed and green and blue are reflected |
| electromagnetic spectrum | the whole range of light |
| flourescent | a type of light bulb |
| incandescence | the process of making light with heat |
| magenta | a pink-purple color where green is absorbed and blue and red are reflected |
| nanometers | a unit of measurement that is equal to one billionth of a meter |
| photo luminescence | occurs when light energy makes something off of light |
| pixel | a dot on computer screen whose color can change depending on the 3 numbers your computer assigns it |
| polarizer | a particularly transparent material that lets through only one polarization of light |
| rod cells | photo receptor cells in the retina of the eye that responds to differences in brightness |
| subtractive primary colors | magenta, cyan, and yellow |
| tetrahertz | 1,000,000,000 cycles per second |
| visible light | the light you can see in the range between 400 and 700 nanometers |
| yellow | a color created when blue is absorbed and red and green are reflected |
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rhiannonsmith
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