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Waves

QuestionAnswer
What is a wave? Traveling disturbances that carry energy.
What is a vibration? Movement over and over.
What's a medium? Material a mechanical wave travels through.
What is a electromagnetic wave? Wave doesn't need a medium to travel.
What is a mechanical wave? Wave that travels through a medium.
What is a crest? Highest point on a wave.
What is a trough? Lowest point on a wave.
What is the amplitude? Biggest distance from resting point of a wave.
What is the wavelength? Distance between to similar points on a wave.
What is a frequency? Number of waves in a given time.
What is a transverse wave? A wave that the motion of the medium is at the right angle to the direction of a wave.
What is a longitudinal wave? A wave that the motion of the medium is parallel to the direction of a wave.
What is a surface wave? A wave at the top of a medium.
What does compression mean? Squeezing together.
What does Reflection mean? Bouncing back of waves due to a change in speed.
What does Refraction mean? Bending of waves due to a change in speed.
What does diffraction mean? Bending of waves around an obstacle.
What's an interference? When two waves run into each other.
What's a standing wave? A wave that doesn't look like its moving.
What is Resonant frequency? Frequency a standing wave occurs.
What is pitch? property of sound that depends on frequency.
What is ultrasonic? Sound above the range humans can hear. (20,000 HZ)
What is infrasonic? Sound under the range humans can hear. (20 HZ)
What is the Doppler effect? Change in sound that occurs whenever there is motion between the source and its observer.
What is intensity of sound? Amount on energy carried by a wave that's indicated by the amplitude of a wave.
What are acousitcs? Science behind sound.
What is sound quality? blending of pitches.
What is timbre? blending of pitches.
What is fundamental tone? Note produced at the lowest frequency.
What is an overtone? Tone produced at frequency higher than the fundamental tone.
What does sonar mean? technique using sound waves to measure distance.
Created by: user-2030954
 

 



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