A) mechanical Wave B) reaction force C) thermal energy D) impulse
A) a vacuum B) the high energy of the Sun C) the energy of distant stars D) artificial lights
A) visible light B) radio waves C) microwaves D) ultraviolet light
A) False B) True
A) transverse Wave B) longitidunal wave C) vibrational wave D) thermal wave
A) interference wave B) node C) transverse wave D) longitudinal wave
A) water waves B) seismic waves C) light waves D) sound waves
A) sound waves B) water waves
A) violet B) green C) red D) yellow E) blue
A) red B) blue C) violet D) green E) yellow
A) gamma rays B) radio waves C) ultraviolet light D) infrared light
A) gamma rays B) ultraviolet light C) radio waves D) x-rays
A) mechanical waves B) when the queen greets her subjects while cleaning C) electromagnetic waves
A) a gross brown colour B) white light C) black light D) a path to lucky charms
A) x-rays B) radio waves C) gamma rays D) ultraviolet light
A) Energy B) Vibrations C) Captured in our Ears D) Waves 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) Gases B) Liquids C) Solids D) Space
A) A figment of your imagination B) Sound bouncing back to you off a solid object C) Sound that bounces in all directions D) Sound that DOES NOT bounce back to you
A) Hertz B) Frequency C) Velocity D) Amplitude E) Intensity
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) It does not have a relation D) Amplitude E) Decibels
A) 100 dB B) 200 dB C) 70 dB D) 20 dB E) 50 dB
A) True B) Neither 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) 20-20,000Hz B) A mouse squeak to a lion's roar C) 50-50,000Hz D) 100-100,000Hz E) 0-100Hz
A) a lower pitch B) a higher pitch C) a louder sound D) a softer 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 compressions or rarefractions C) determined between two consecutive crests or troughs D) determined by how loud it is
A) infrasonic B) hydrasonic C) ultrasonic D) sonic the hedgehog
A) hydrasonic B) sonic the hedgehog C) ultrasonic D) infrasonic
A) ultrasound machine B) elephants C) bats D) all of the above
A) all of these B) bats C) whales D) ultrasound machine
A) increases, decreases B) decreases, increases C) stops, restarts D) starts, stops
A) Echo Reverberation B) Echo Location C) Echo Detection D) No echos at all
A) hearing sensitivity B) amplitude C) wavelength D) frequency
A) 10 km/h B) 3 m/s C) 340 m/s D) 40 km/h
A) intense road traffic B) jet motor C) calm classroom D) rock music concert
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