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