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