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