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