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