| Question | Answer |
| Sound is this type of wave | Longitudinal Wave |
| The number of waves per second | Frequency |
| Symbol is f | frequency |
| time for one wave | Period |
| Length of one wave | Wavelength |
| Symbol for length of a wave | Lambda |
| Name we give to frequency of sound usually in music | Pitch |
| Measured in decibels | loudness of sound |
| The property of a wave that loudness depends upon | Amplitude |
| A change in apparent pitch caused by the motion of the source or reciever | The doppler shift |
| What actually is passing thru the air when we hear sound | Pressure Waves |
| The product of a sound's frequency and wavelength | Velocity |
| What actually causes most sounds | Vibrating objects |
| The type of resonator with a pressure node at both ends | Open Tube Resonator |
| The type of resonator which has a pressure anti-node at one end | Closed Tube Resonator |
| The type of tube which resonates at 1/2, 1, 11/2, 2, wavelengths | Open Tube Resonator |
| This type of tube resonates at 1/4, 3/4, 5/4 wavelength | Closed Tube Resonator |
| The quality of a sound or the way a vibration actually sounds to a persons ear | Timbre |
| Dissonance | An unpleasant sound |
| Consonance | A pleasant sound |
| The fundamental frequency | The lowest frequency which will resonate in a resonator |
| Harmonic | Higher frequencies which will resonate in the same tube as the fundamental |
| Open pipe (tube) resonator | A tube which is open at both ends |
| Closed pipe (tube) resonator | A tube which has one closed end |
| A loud then soft variation in the sounds amplitude caused by interference | Beat |
| Octave | The difference in frequency between a fundamental and the first harmonic |
| Overtones | The name given to the fundamental and all the harmonics |
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Biology Lab Midterm
