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