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