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