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