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