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