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