A) thermal energy B) impulse C) mechanical Wave D) reaction force
A) the high energy of the Sun B) artificial lights C) the energy of distant stars D) a vacuum
A) radio waves B) ultraviolet light C) visible light D) microwaves
A) True B) False
A) vibrational wave B) transverse Wave C) longitidunal wave D) thermal wave
A) node B) transverse wave C) interference wave D) longitudinal wave
A) sound waves B) light waves C) seismic waves D) water waves
A) water waves B) sound waves
A) green B) yellow C) violet D) blue E) red
A) blue B) yellow C) violet D) green E) red
A) radio waves B) ultraviolet light C) gamma rays D) infrared light
A) ultraviolet light B) radio waves C) gamma rays D) x-rays
A) mechanical waves B) when the queen greets her subjects while cleaning C) electromagnetic waves
A) a gross brown colour B) a path to lucky charms C) white light D) black light
A) gamma rays B) x-rays C) radio waves D) ultraviolet light
A) Captured in our Ears B) Energy C) All of these are correct D) Waves E) Vibrations
A) The waves are moving like the ripples in a pond from a rock B) There is a rainbow present in the sky. C) The waves are really distorted in the front where the sound is and not in the back after the object moves away D) A moving object is emitting sound continuously.
A) Gases B) Liquids C) Solids D) Space
A) Sound that bounces in all directions B) A figment of your imagination C) Sound bouncing back to you off a solid object D) Sound that DOES NOT bounce back to you
A) Amplitude B) Frequency C) Hertz D) Intensity E) Velocity
A) The unit of measure that is used to measure wavelength B) The unit of measure used to measure the loudness C) The unit of measure to measure tone quality D) The unit of measure used to measure frequency
A) Frequency B) Decibels C) Speed D) It does not have a relation E) Amplitude
A) 200 dB B) 20 dB C) 100 dB D) 70 dB E) 50 dB
A) Neither B) You can always hear no matter where you are C) False D) The only place in space that you can hear is the moon E) True
A) 0-100Hz B) 50-50,000Hz C) 20-20,000Hz D) A mouse squeak to a lion's roar E) 100-100,000Hz
A) a higher pitch B) a softer sound C) a louder sound D) a lower pitch
A) in a straight line B) parallel to the source C) all directions D) at right angles with the source
A) determined between two consecutive crests or troughs B) determined by how loud it is C) determined by how many particles move side to side D) determined between two consecutive compressions or rarefractions
A) sonic the hedgehog B) hydrasonic C) infrasonic D) ultrasonic
A) infrasonic B) ultrasonic C) hydrasonic D) sonic the hedgehog
A) all of the above B) bats C) ultrasound machine D) elephants
A) bats B) whales C) all of these D) ultrasound machine
A) stops, restarts B) decreases, increases C) increases, decreases D) starts, stops
A) Echo Detection B) Echo Location C) No echos at all D) Echo Reverberation
A) amplitude B) hearing sensitivity C) frequency D) wavelength
A) 10 km/h B) 340 m/s C) 40 km/h D) 3 m/s
A) jet motor B) rock music concert C) intense road traffic D) calm classroom
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