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