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