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