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