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