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