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