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