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