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