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