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