
Ch. 20-22
Quiz by Tracy
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25 questions
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- Q1Which wave moves in a parallel direction?light wavestransverseocean waveslongitudinal30s
- Q2What device helps to map out objects or land features on the ocean floor?electromagnetic wavesecholocationGPSsonar30s
- Q3A repeating disturbance that carries energy is calledmattera wavemotiona medium30s
- Q4As a wavelength increases, thefrequency and pitch get lowerfrequency gets higher and pitch gest lowerfrequency and pitch get higherfrequency gets lower and pitch gets higher30s
- Q5Mechanical waves cannot travelsolidsliquidsgasa vacuum30s
- Q6When the amplitude of a wave gets lower, thevolume gets lowerthe pitch gets higherthe volume gets higherthe pitch gets lower30s
- Q7What is it called when the pitch sounds closer or further away depending on your position to the sound?reflectionresonanceDoppler Effectfrequency30s
- Q8Doctors use ______________ to study internal organs in humans.sonogramsonarecholocationradar30s
- Q9The number of wavelengths passing per second is called___________ and it is measured in ____________.pitch, decibelsfrequency, Hertzpitch, Hertzfrequency, decibels30s
- Q10Sound waves have the highest frequency closest to its source.falsetrue30s
- Q11When an object vibrates and causes another object to vibrate at the same frequency it is called ___________.diffractionresonancereflectionpitch30s
- Q12Light travels slower than sound.TrueFalse30s
- Q13The angle of incidence in a light wave is the same as the angle of reflection.TrueFalse30s
- Q14What carries the least and most amount of energy in the electromagnetic spectrum?radio, gammared, violetradio, x-rayx-rays, infrared30s
- Q15What is the bending of light called that makes a pencil in a glass of water appear broken?refractionabsorptionreflectiondiffraction30s