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