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