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