A) impulse B) mechanical Wave C) thermal energy D) reaction force
A) the energy of distant stars B) artificial lights C) a vacuum D) the high energy of the Sun
A) ultraviolet light B) radio waves C) visible light D) microwaves
A) True B) False
A) vibrational wave B) thermal wave C) transverse Wave D) longitidunal wave
A) node B) transverse wave C) interference wave D) longitudinal wave
A) seismic waves B) sound waves C) light waves D) water waves
A) water waves B) sound waves
A) yellow B) blue C) violet D) green E) red
A) blue B) yellow C) green D) red E) violet
A) ultraviolet light B) infrared light C) radio waves D) gamma rays
A) radio waves B) x-rays C) gamma rays D) ultraviolet light
A) electromagnetic waves B) mechanical waves C) when the queen greets her subjects while cleaning
A) white light B) a path to lucky charms C) black light D) a gross brown colour
A) x-rays B) radio waves C) ultraviolet light D) gamma rays
A) Waves B) All of these are correct C) Captured in our Ears D) Energy E) Vibrations
A) The waves are moving like the ripples in a pond from a rock B) A moving object is emitting sound continuously. C) There is a rainbow present in the sky. D) The waves are really distorted in the front where the sound is and not in the back after the object moves away
A) Solids B) Space C) Liquids D) Gases
A) Sound bouncing back to you off a solid object B) A figment of your imagination C) Sound that DOES NOT bounce back to you D) Sound that bounces in all directions
A) Intensity B) Velocity C) Frequency D) Amplitude E) Hertz
A) The unit of measure to measure tone quality B) The unit of measure used to measure frequency C) The unit of measure that is used to measure wavelength D) The unit of measure used to measure the loudness
A) Decibels B) It does not have a relation C) Speed D) Amplitude E) Frequency
A) 70 dB B) 50 dB C) 100 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) You can always hear no matter where you are E) True
A) 0-100Hz B) 100-100,000Hz C) 20-20,000Hz D) 50-50,000Hz E) A mouse squeak to a lion's roar
A) a softer sound B) a lower pitch C) a higher pitch D) a louder sound
A) at right angles with the source B) in a straight line C) all directions D) parallel to the source
A) determined between two consecutive compressions or rarefractions B) determined between two consecutive crests or troughs C) determined by how many particles move side to side D) determined by how loud it is
A) hydrasonic B) sonic the hedgehog C) infrasonic D) ultrasonic
A) hydrasonic B) ultrasonic C) infrasonic D) sonic the hedgehog
A) elephants B) ultrasound machine C) bats D) all of the above
A) whales B) ultrasound machine C) all of these D) bats
A) starts, stops B) decreases, increases C) stops, restarts D) increases, decreases
A) Echo Detection B) Echo Reverberation C) No echos at all D) Echo Location
A) frequency B) hearing sensitivity C) amplitude D) wavelength
A) 3 m/s B) 340 m/s C) 10 km/h D) 40 km/h
A) rock music concert B) intense road traffic C) jet motor D) calm classroom
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