Physics: Must Pass Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
| Question | Answer |
| standing wave | incident and reflected pulses are created with periodic frequency; appears stationary |
| node | point with complete destructive interference (zero energy) |
| antinode | largest amplitude; 1/2 way between nodes |
| infrasonic | frequencies below 20 Hz |
| Ultrasonic | frequencies above 20,000 Hz |
| Pitch | measure of how high or low a sound is; frequency of sound wave |
| wave fronts | 3-D distribution of waves (a sphere) |
| Plane waves | seem like a straight line |
| timbre | quality of tone resulting from the combination of harmonics present at different intensities (sound quality) |
| chromatic scale | 12 note scale; 13th note is twice 1st notes frequency |
| beat | periodic variation in amplitude of sound wave that is the superposition of two waves of slightly different frequencies |
| beat frequency | difference in frequencies of two similar sound waves |
| amplitude | max displacement from equilibrium |
| wave length | distance between identical positions on consecutive waves |
| frequency | number of waves passing a fixed point per unit time |
| period | time required to complete a cycle |
| wave | motion of a disturbance to a medium |
| medium | matter through which wave travels |
| mechanical waves | one that requires a medium to travel through |
| electromagnetic waves | doesn't require a medium |
| pulse wave | wave made of one traveling pulse |
| periodic wave | wave made of periodic and continuing pulses |
| simple harmonic motion | created by continuous pulses (periodic wave); follows rules for sine waves |
| transverse wave | wave with vibration perpendicular to direction of wave's motion |
| longitudinal wave | wave with vibration parallel to motion of wave (sound) |
| sympathetic vibrations | vibration caused by resonance; starts vibrating because of the waves of second object |
| resonance | phenomenon that occurs when the frequency of a force applied to a system matches the natural frequency of vibration of the system, resulting in a large amplitude of vibration |
| fundamental frequency | lowest frequency of vibration of a standing wave; also called 1st harmonic |
| harmonics | fundamental and successive multiples of the fundamental |
| intensity | rate at which energy flows through a unit area perpendicular to direction of the waves motion |
| threshold of hearing | 1000 Hz |
| Threshold of pain | 1.0 W/M^2 |
| relative intensity | intensity of wave divided by intensity of threshold of hearing |
| decibel level | measure of loudness |
| compression | high density/peak |
| rarefaction | low density/trough |
| wave speed | distance traveled per time |
| damping | amplitude of a wave diminishes over time due to energy loss |
| super-position | combination of two overlapping waves |
| interference | interaction of two waves |
| constructive interaction | two waves add in same direction |
| destructive interaction | two waves subtract due to a + and - amplitude |
| reflection interaction | bouncing back of a wave at a boundary |
Created by:
shanecolonialdrive
Popular Physics sets