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