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