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